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聯(lián)系我們EDS308-5-050-017賀德克溫度繼電器南昌辦事處
人和人相處久了，缺點(diǎn)會(huì)漸漸暴露出來，當(dāng)對(duì)方把你看透了，卻依然不嫌棄你，那就是真心！你的脾氣和行為會(huì)趕走許多人，但也會(huì)留下zui真的人，時(shí)間是的過濾器，留下來的就是相互照應(yīng)的有緣人，唯有珍惜才會(huì)長(zhǎng)久，無論愛情，友情，還是親情，不去經(jīng)營(yíng)都會(huì)形同陌路人，感恩所有的遇見的人，感恩還留在我身邊的人。感恩我的客戶，謝謝你們的照顧。新年快到了。在這提前祝福你們。新年快樂
800 900 bar 爆破壓力： 3倍滿量程 顯示： 3位、7段液晶顯示碼，字高9.2mm 顯示精度： ≤±1.0%滿量程 模擬量輸出精度：≤±1.0%滿量程 重復(fù)精度： ≤±0.5%
Integrated pressure sensor with thin-film DMS on stainless steel diaphragm
薄膜DMS不銹鋼膜片集成壓力傳感器
Compact, robust design
緊湊，魯棒設(shè)計(jì)
Accuracy ±1% FS
準(zhǔn)確度1%
3-character digital display
字符數(shù)字顯示
Simple handling through key programming
通過按鍵編程實(shí)現(xiàn)簡(jiǎn)單處理
安裝： EDS300可以通過壓力接口（DIN3852外螺紋G1/4），直接裝在液壓集成塊上。連接件ZBM14，作為附件提供，需另外定貨，用于確保用戶能看見顯示。 在惡劣的應(yīng)用場(chǎng)合（如劇烈振動(dòng)或沖擊），壓力接口可以通過微型軟管進(jìn)行機(jī)械解耦，安裝卡箍ZBM300作為附件提供（需另外定貨）。
EDS 300主要應(yīng)用壓力和極限值的消息在液壓和氣壓的地區(qū)或在高開關(guān)頻率和恒定的開關(guān)精度比機(jī)械式壓力開關(guān)可以提供。該裝置適用于設(shè)置蓄能器充電功能或泵和壓縮機(jī)控制單元以及對(duì)船舶傳動(dòng)、柴油機(jī)、泵和一般液壓和氣動(dòng)植物的壓力或限值的監(jiān)測(cè)。
ETS300是一個(gè)緊湊的電子溫度繼電器，帶數(shù)字顯示。為的適應(yīng)各種應(yīng)用場(chǎng)合，又分為兩種類型。
●帶內(nèi)置溫度傳感器的ETS300 量程為-25至+100C。耐壓不高于F600bar,所以可直接安裝在液壓閥塊上。
●帶分體溫度傳感器輸出的JETS300,顯示范圍為-30C至+150C。與為油箱安裝而專門研制的溫度傳感器TFP 100共同使用，它也可與市場(chǎng)上常用PT100共同使用。
●帶1個(gè)或2個(gè)開關(guān)量輸出，可選擇帶附加模擬輸出信號(hào)4- 20mA的不同輸出類型，使該繼電器具有多種使用可能。切換點(diǎn)及相應(yīng)的延滯可通過按鍵方便地調(diào)定。為*地適應(yīng)專門的應(yīng)用場(chǎng)合，該裝置具備許多附加調(diào)節(jié)功能(如切換延遲時(shí)間,輸出的常開、常閉觸點(diǎn))。
特性
●帶內(nèi)置式或分體式溫度傳感器的緊湊溫度繼電器
●2個(gè)品體管開關(guān)量輸出，輸出負(fù)荷，每個(gè)1.2A
●可選擇: 模擬輸| t4-20mA
●切喚點(diǎn)功能或窗口功能
●許多有用咐加功能
■ 概述 供電電壓： 20…32 VDC 電流消耗： 約100mA（無開關(guān)輸出） 量程： 16 40 100 250 400 600 bar 過載壓力： 32 80 200 400
Switching points and reset hysteresis can be adjusted independently of one another
開關(guān)點(diǎn)和復(fù)位滯后可以獨(dú)立調(diào)整的另一個(gè)
Window function
窗函數(shù)
Many helpful additional functions
許多有用的附加功能
Also available with Schiff's approval
還可以與希夫的批準(zhǔn)
電氣聯(lián)接按照有關(guān)國(guó)家規(guī)定須由合格的電工作業(yè)（如德國(guó)VDE0100規(guī)范）。壓力繼電器的外殼必須同時(shí)良好接地。如果液壓集成塊是通過液壓系統(tǒng)接地的，那么安裝在液壓集成塊上，元件接地是有保障的。若用微型軟管安裝，殼體必須單獨(dú)接地。
為了防止電磁干擾的影響應(yīng)注意如下事項(xiàng)： ●線路連接盡量短 ●采用屏蔽線（如LIYCY 4×0.5mm2） ●電子屏蔽須由專業(yè)人員按環(huán)境條件和減少干擾的目標(biāo)來安裝 ●盡量避免直接接近引起干擾的用戶裝置或電氣和電子裝置的接線
hydac 906203 EDS 1791-N-016-000
hydac 906237 EDS 1791-N-040-000
hydac 904770 EDS 1791-N-100-000
hydac 906205 EDS 1791-N-250-000
hydac 906206 EDS 1791-N-400-000
hydac 906207 EDS 1791-N-600-000
hydac 906195 EDS 1791-P-016-000
hydac 906236 EDS 1791-P-040-000
hydac 906197 EDS 1791-P-100-000
hydac 906199 EDS 1791-P-250-000
hydac 906200 EDS 1791-P-400-000
hydac 906202 EDS 1791-P-600-000
hydac 906274 EDS 344-2-016-000
hydac 906577 EDS 344-2-040-000
hydac 906321 EDS 344-2-250-000
hydac 906423 EDS 344-2-400-000
hydac 906320 EDS 344-2-600-000
hydac 907999 EDS 344-2-700-000
hydac 906187 EDS 344-3-016-000
hydac 906485 EDS 344-3-040-000
hydac 906467 EDS 344-3-100-000
hydac 906322 EDS 344-3-250-000
hydac 906451 EDS 344-3-400-000
hydac 906471 EDS 344-3-600-000
hydac 906182 EDS 345-1-016-000
hydac 906576 EDS 345-1-040-000
hydac 906226 EDS 345-1-250-000
hydac 906304 EDS 345-1-400-000
hydac 609479 EDS 346-2-016-000
hydac 907204 EDS 346-3-400-000
hydac 920865 EDS 347-4-016-045
hydac 921056 EDS 347-4-250-045
hydac 920481 EDS 347-4-400-045
hydac 922848 EDS 347-4-400-053
hydac 907916 EDS 348-5-016-000
hydac EDS 348-5-016-000 mit ZBE08
hydac EDS 348-5-040-000
hydac EDS 348-5-250-000
hydac EDS 348-5-400-000
hydac 908537 EDS 3146-1-0.25-000-F1
hydac 908744 EDS 3346-1-0016-000-E1
hydac 908363 EDS 3346-1-0016-000-F1
hydac 908177 EDS 3346-1-06,0-000-F1
hydac 908174 EDS 3346-2-0016-000-F1
hydac 908178 EDS 3346-2-06,0-000-F1
hydac 908175 EDS 3346-3-0016-000-F1
hydac 908179 EDS 3346-3-06,0-000-F1
hydac 908176 EDS 3348-5-0016-000-F1
hydac 908180 EDS 3348-5-06,0-000-F1
hydac EDS 3398-5-0016-000-E1
hydac 908156 EDS 3446-1-0040-000
hydac 908160 EDS 3446-1-0100-000
hydac 908163 EDS 3446-1-0250-000
hydac 908167 EDS 3446-1-0400-000
hydac 908169 EDS 3446-1-0600-000
hydac 908157 EDS 3446-2-0040-000
hydac 908129 EDS 3446-2-0100-000
hydac 908164 EDS 3446-2-0250-000
hydac 908168 EDS 3446-2-0400-000
hydac 908170 EDS 3446-2-0600-000
hydac 908158 EDS 3446-3-0040-000
hydac 908161 EDS 3446-3-0100-000
hydac 908165 EDS 3446-3-0250-000
hydac 908000 EDS 3446-3-0400-000
hydac 908171 EDS 3446-3-0600-000
hydac 908159 EDS 3448-5-0040-000
hydac 908162 EDS 3448-5-0100-000
hydac 908166 EDS 3448-5-0250-000
hydac 908172 EDS 3448-5-0600-000
hydac 909722 EDS 3496-2-0040-000
hydac 257492 Montagesatz EDS 1600/1700
hydac 907818 ZBM 14 (Adapter für EDS 300)
hydac 906385 ZBM 300 (Schelle für EDS 300/ ETS 300)
hydac 3184630 ZBM 3000 (Schelle für EDS 3000, schraubb.)
hydac 6011511 ZBM 310 (Schelle für EDS 300/ ETS 300)
hydac 3184632 ZBM 3100 (Schelle für EDS 3000, schwei?b.)
hydac EDS 3348-3-0010-D00-F1
hydac EDS 3446-2-0250-000
hydac EDS 3446-2-0400-000
hydac EDS 3446-3-0250-000
hydac EDS 3446-3-0400-000
hydac EDS 3448-5-0400-000
hydac 906203 EDS 1791-N-016-000
hydac 906237 EDS 1791-N-040-000
hydac 906204 EDS 1791-N-100-000
hydac 906205 EDS 1791-N-250-000
hydac 906206 EDS 1791-N-400-000
hydac 906207 EDS 1791-N-600-000
hydac 908813 EDS 1791-N-600-009(450bar)
hydac 906529 EDS 1791-P-009-000 (-1+9bar)
hydac 908850 EDS 1791-P-010-016(05V)
hydac 906195 EDS 1791-P-016-000
hydac 906194 EDS 1791-P-016-009(10bar)
hydac 906236 EDS 1791-P-040-000
hydac 908851 EDS 1791-P-050-016(05V)
hydac 906197 EDS 1791-P-100-000
hydac 906196 EDS 1791-P-100-009(50bar)
hydac 908852 EDS 1791-P-100-016(05V)
hydac 908853 EDS 1791-P-200-016(05V)
hydac 906199 EDS 1791-P-250-000
hydac 906198 EDS 1791-P-250-009(200bar)
hydac 906200 EDS 1791-P-400-000
hydac 908854 EDS 1791-P-450-016(05V)
hydac 906202 EDS 1791-P-600-000
hydac 906201 EDS 1791-P-600-009(450bar)
hydac 908815 EDS 1792-N-016-000(232PSI)
hydac 906926 EDS 1792-N-040-000(580PSI)
hydac 907506 EDS 1792-N-100-000(1450PSI)
hydac 907522 EDS 1792-N-250-000(3625PSI)
hydac 907523 EDS 1792-N-400-000(5800PSI)
hydac 907524 EDS 1792-N-600-000(8700PSI)
hydac 908701 EDS 1792-P-016-000(232PSI)
hydac 908814 EDS 1792-P-016-009(145PSI)
hydac 907535 EDS 1792-P-100-000(1450PSI)
hydac 908816 EDS 1792-P-100-009(725PSI)
hydac 907940 EDS 1792-P-250-000(3625PSI)
hydac 908811 EDS 1792-P-250-009(2900PSI)
hydac 908331 EDS 1792-P-400-000(5800PSI)
hydac 908812 EDS 1792-P-600-009(6525PSI)
hydac 909181 EDS 3116-2-01.0-000-E1
hydac 909537 EDS 3126-2-02.5-000-E1
hydac 908687 EDS 3128-5-01.0-000-F1
hydac 908833 EDS 3146-1-01.0-000-F1
hydac 908537 EDS 3146-1-02.5-000-F1
hydac 909930 EDS 3146-2-01.0-000-E1
hydac 908939 EDS 3146-2-02.5-000-F1
hydac 909641 EDS 3146-3-01.0-000-E1
hydac 908635 EDS 3146-3-02.5-000-F1
hydac 921281 EDS 3148-5-01.0-000-E1
hydac 920634 EDS 3148-5-01.0-000-F1
hydac 920537 EDS 3148-5-02.5-000-F1
hydac 921205 EDS 3196-3-01.0-000-F1
hydac 909037 EDS 3316-1-0016-000-E1
hydac 909386 EDS 3316-1-0016-000-F1
hydac 908692 EDS 3316-2-0001-000-F1 (-1+1bar)
hydac 909143 EDS 3316-2-0010-000-E1
hydac 909697 EDS 3316-2-0010-000-F1
hydac 909142 EDS 3316-2-0016-000-E1
hydac 920825 EDS 3316-2-0016-000-F1
hydac 908559 EDS 3316-2-01.0-000-F1
hydac 909125 EDS 3316-2-02.5-000-F1
hydac 909441 EDS 3316-2-06.0-000-F1
hydac 909267 EDS 3316-3-0001-000-F1 (-1+1bar)
hydac 921985 EDS 3316-3-0010-000-E1
hydac 908728 EDS 3316-3-0010-000-F1
hydac 909473 EDS 3316-3-0016-000-E1
hydac 908729 EDS 3316-3-0016-000-F1
hydac 909257 EDS 3316-3-0025-000-F1
hydac 908844 EDS 3316-3-0040-000-F1
hydac 921075 EDS 3316-3-01.0-000-E1
hydac 909258 EDS 3316-3-0100-000-F1
hydac 921653 EDS 3316-3-02.5-000-E1
hydac 909563 EDS 3316-3-02.5-000-F1
hydac 921654 EDS 3316-3-06.0-000-E1
hydac 908843 EDS 3316-3-06.0-000-F1
hydac 909021 EDS 3318-3-06.0-D00-F1
hydac 920232 EDS 3318-5-0010-000-E1
hydac 920280 EDS 3318-5-0010-000-F1
hydac 909083 EDS 3318-5-0016-000-F1
hydac 921241 EDS 3318-5-02.5-000-F1
hydac 920231 EDS 3318-5-06.0-000-F1
hydac 922054 EDS 3326-2-0016-000-E1
hydac 921760 EDS 3326-2-06.0-000-E1
hydac 909758 EDS 3346-1-0005-000-F1 (-1+5bar)
hydac 909112 EDS 3346-1-0010-000-E1
hydac 908589 EDS 3346-1-0010-000-F1
hydac 908744 EDS 3346-1-0016-000-E1
hydac 908363 EDS 3346-1-0016-000-F1
hydac 921693 EDS 3346-1-0025-000-E1
hydac 909993 EDS 3346-1-0025-000-F1
hydac 909055 EDS 3346-1-0040-000-F1
hydac 909668 EDS 3346-1-01.0-000-E1
hydac 908612 EDS 3346-1-01.0-000-F1
hydac 921568 EDS 3346-1-02.5-000-E1
hydac 909016 EDS 3346-1-02.5-000-F1
hydac 908460 EDS 3346-1-06.0-000-E1
hydac 908177 EDS 3346-1-06.0-000-F1
hydac 921623 EDS 3346-2-0001-000-E1 (-1+1bar)
hydac 908717 EDS 3346-2-0001-000-F1 (-1+1bar)
hydac 908715 EDS 3346-2-0005-000-F1 (-1+5bar)
hydac 909411 EDS 3346-2-0009-000-F1 (-1+9bar)
hydac 909147 EDS 3346-2-0010-000-E1
hydac 908560 EDS 3346-2-0010-000-F1
hydac 908972 EDS 3346-2-0016-000-E1
hydac 908174 EDS 3346-2-0016-000-F1
hydac 909124 EDS 3346-2-0025-000-F1
hydac 909653 EDS 3346-2-0040-000-E1
hydac 922069 EDS 3346-2-01.0-000-E1
hydac 908718 EDS 3346-2-01.0-000-F1
hydac 922068 EDS 3346-2-02.5-000-E1
hydac 908719 EDS 3346-2-02.5-000-F1
hydac 909161 EDS 3346-2-06.0-000-E1
hydac 908178 EDS 3346-2-06.0-000-F1
hydac 908550 EDS 3346-3-0001-000-E1 (-1+1bar)
hydac 908571 EDS 3346-3-0001-000-F1 (-1+1bar)
hydac 909951 EDS 3346-3-0005-000-E1 (-1+5bar)
hydac 908716 EDS 3346-3-0005-000-F1 (-1+5bar)
hydac 908513 EDS 3346-3-0009-000-F1 (-1+9bar)
hydac 909549 EDS 3346-3-0010-000-E1
hydac 908561 EDS 3346-3-0010-000-F1
hydac 908534 EDS 3346-3-0016-000-E1
hydac 908175 EDS 3346-3-0016-000-F1
hydac 920069 EDS 3346-3-0025-000-F1
hydac 921577 EDS 3346-3-0040-000-E1
hydac 908720 EDS 3346-3-01.0-000-F1
hydac 908818 EDS 3346-3-0100-000-F1
hydac 909893 EDS 3346-3-02.5-000-E1
hydac 908448 EDS 3346-3-02.5-000-F1
hydac 909318 EDS 3346-3-06.0-000-E1
hydac 908179 EDS 3346-3-06.0-000-F1
hydac 909459 EDS 3348-1-0010-D00-F1
hydac 909462 EDS 3348-1-06.0-D00-F1
hydac 908900 EDS 3348-3-0010-D00-F1
hydac 909994 EDS 3348-5-0001-000-E1 (-1+1bar)
hydac 908451 EDS 3348-5-0001-000-F1 (-1+1bar)
hydac 908921 EDS 3348-5-0009-000-F1 (-1+9bar)
hydac 908914 EDS 3348-5-0010-000-E1
hydac 908536 EDS 3348-5-0010-000-F1
hydac 909613 EDS 3348-5-0016-000-E1
hydac 908176 EDS 3348-5-0016-000-F1
hydac 920174 EDS 3348-5-0025-000-E1
hydac 909440 EDS 3348-5-01.0-000-E1
hydac 908514 EDS 3348-5-01.0-000-F1
hydac 921900 EDS 3348-5-02.5-000-E1
hydac 908545 EDS 3348-5-02.5-000-F1
hydac 920835 EDS 3348-5-06.0-000-E1
hydac 908180 EDS 3348-5-06.0-000-F1
hydac 922426 EDS 3386-3-0015-400-F1
hydac 921983 EDS 3386-3-0030-400-F1
hydac 908615 EDS 3396-1-0001-000-F1 (-1+1bar)
hydac 909596 EDS 3396-1-0009-000-F1 (-19bar)
hydac 909321 EDS 3396-1-0010-000-E1
hydac 908828 EDS 3396-1-0010-000-F1
hydac 908835 EDS 3396-1-02.5-000-F1
hydac 921308 EDS 3396-1-02.5-V00-F1
hydac 909054 EDS 3396-1-06.0-000-F1
hydac 920010 EDS 3396-2-0001-000-E1 (-11bar)
hydac 909354 EDS 3396-2-0001-000-F1 (-11bar)
hydac 908901 EDS 3396-2-0005-000-F1 (-15bar)
hydac 908618 EDS 3396-2-0010-000-F1
hydac 921042 EDS 3396-2-0010-V00-F1
hydac 921994 EDS 3396-2-0016-000-F1
hydac 908778 EDS 3396-2-0025-000-F1
hydac 921563 EDS 3396-2-01.0-000-F1
hydac 908836 EDS 3396-2-02.5-000-F1
hydac 920011 EDS 3396-3-0001-000-E1 (-11bar)
hydac 920012 EDS 3396-3-0009-000-E1 (-1+9bar)
hydac 920067 EDS 3396-3-0010-000-F1
hydac 920068 EDS 3396-3-0025-000-F1
hydac 921650 EDS 3396-3-01.0-000-F1
hydac 920066 EDS 3396-3-02.5-000-F1
hydac 921586 EDS 3398-5-0005-000-F1(-1+5bar)
hydac 921576 EDS 3398-5-0016-V00-E1
hydac 920552 EDS 3398-5-0016-V00-F1
hydac 922147 EDS 33Z6-1-0001-G01-000 (-11bar)
hydac 922444 EDS 33Z6-2-0016-G01-000
hydac 922221 EDS 33Z6-3-0016-G02-000
hydac 921859 EDS 33Z6-3-01.0-G01-000
hydac 922222 EDS 33Z6-3-06.0-G02-000
hydac 922243 EDS 33Z8-5-06.0-G01-000
hydac 921965 EDS 3426-2-1000-000
hydac 906274 EDS 344-2-016-000
hydac 906577 EDS 344-2-040-000
hydac 906432 EDS 344-2-100-000
hydac 906321 EDS 344-2-250-000
hydac 906423 EDS 344-2-400-000
hydac 906320 EDS 344-2-600-000
hydac 907217 EDS 344-3-006-000
hydac 907565 EDS 344-3-010-000
hydac 906187 EDS 344-3-016-000
hydac 906485 EDS 344-3-040-000
hydac 906467 EDS 344-3-100-000
hydac 906322 EDS 344-3-250-000
hydac 906451 EDS 344-3-400-000
hydac 906471 EDS 344-3-600-000
hydac 908156 EDS 3446-1-0040-000
hydac 908160 EDS 3446-1-0100-000
hydac 908377 EDS 3446-1-0160-000
hydac 908163 EDS 3446-1-0250-000
hydac 908167 EDS 3446-1-0400-000
hydac 908169 EDS 3446-1-0600-000
hydac 908157 EDS 3446-2-0040-000
hydac 908129 EDS 3446-2-0100-000
hydac 908164 EDS 3446-2-0250-000
hydac 908168 EDS 3446-2-0400-000
hydac 908170 EDS 3446-2-0600-000
hydac 908158 EDS 3446-3-0040-000
hydac 908752 EDS 3446-3-0060-000
hydac 908161 EDS 3446-3-0100-000
hydac 908265 EDS 3446-3-0160-000
hydac 908165 EDS 3446-3-0250-000
hydac 908000 EDS 3446-3-0400-000
hydac 908171 EDS 3446-3-0600-000
hydac 920044 EDS 3448-1-0040-D00
hydac 921337 EDS 3448-1-0100-D00
hydac 908405 EDS 3448-1-0250-D00
hydac 922113 EDS 3448-3-0040-D00
hydac 909779 EDS 3448-3-0250-D00
hydac 921186 EDS 3448-3-0400-D00
hydac 908159 EDS 3448-5-0040-000
hydac 908162 EDS 3448-5-0100-000
hydac 920644 EDS 3448-5-0160-000
hydac 908166 EDS 3448-5-0250-000
hydac 908001 EDS 3448-5-0400-000
hydac 908172 EDS 3448-5-0600-000
hydac 907216 EDS 345-1-006-000
hydac 907276 EDS 345-1-006-013(-1+5bar)
hydac 906182 EDS 345-1-016-000
hydac 906576 EDS 345-1-040-000
hydac 906462 EDS 345-1-100-000
hydac 906226 EDS 345-1-250-000
hydac 906304 EDS 345-1-400-000
hydac 906480 EDS 345-1-600-000
hydac 907081 EDS 346-1-006-000
hydac 907521 EDS 346-1-006-013(-1+5bar)
hydac 907282 EDS 346-1-040-000
hydac 906867 EDS 346-1-100-000
hydac 907120 EDS 346-1-250-000
hydac 907123 EDS 346-1-400-000
hydac 907283 EDS 346-1-600-000
hydac 906757 EDS 346-2-006-000
hydac 906999 EDS 346-2-006-013(-1+5bar)
hydac 907272 EDS 346-2-016-000
hydac 907284 EDS 346-2-040-000
hydac 907039 EDS 346-2-100-000
hydac 906872 EDS 346-2-250-000
hydac 907285 EDS 346-2-400-000
hydac 907286 EDS 346-2-600-000
hydac 907914 EDS 346-3-006-000
hydac 907633 EDS 346-3-006-013(-1+5bar)
hydac 906769 EDS 346-3-016-000
hydac 907287 EDS 346-3-040-000
hydac 907288 EDS 346-3-100-000
hydac 907203 EDS 346-3-250-000
hydac 907204 EDS 346-3-400-000
hydac 907289 EDS 346-3-600-000
hydac 908372 EDS 347-4-006-S00
hydac 907973 EDS 347-4-016-S00
hydac 907109 EDS 347-4-040-S00
hydac 907974 EDS 347-4-100-S00
hydac 907111 EDS 347-4-250-S00
hydac 907112 EDS 347-4-400-S00
hydac 907113 EDS 347-4-600-S00
hydac 907780 EDS 348-5-006-000
hydac 920323 EDS 348-5-010-000
hydac 907916 EDS 348-5-016-000
做人要以誠(chéng)為本，因?yàn)檎\(chéng)實(shí)是立身之本，誠(chéng)實(shí)是做人的一種美德。人之無誠(chéng)，不可為交。“欲當(dāng)大任，須是篤實(shí)”。做人只有實(shí)實(shí)在在，老老實(shí)實(shí)，才能贏得別人的尊重，才能在社會(huì)上站穩(wěn)腳跟。
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