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發(fā)布時(shí)間: 2010-6-1 12:35
正文摘要:合上刀開關(guān)Q1后三相交流電源被引入。當(dāng)SB1按下時(shí),主電路電動(dòng)機(jī)M1起動(dòng) ,然后按下SB3,液壓泵電動(dòng)機(jī)起動(dòng),同時(shí)HL2和HL3指示燈顯示,SB2和SB4為兩臺(tái)電動(dòng)機(jī)可以分別停止的按紐,當(dāng)校直機(jī)需要工作時(shí),按下腳踏開關(guān) ... |
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