2019/9/17
短路(電(dian)(dian)(dian)流不(bu)經用電(dian)(dian)(dian)器,直接連電(dian)(dian)(dian)源兩極)很可怕可能(maybe)引(yin)起火(huo)災要(yao)定期檢查線路是(shi)否有(you)(you)松(song)動或者(zhe)(zhe)扭結的情況,每次(ci)工作(zuo)前,后要(yao)檢查是(shi)否有(you)(you)松(song)動,破(po)裂的電(dian)(dian)(dian)纜或者(zhe)(zhe)電(dian)(dian)(dian)線。維修挖掘機挖(wa)掘(jue)機的結(jie)構原理、拆卸和(he)安(an)裝 方法、故障(zhang)診(zhen)斷和(he)排(pai)除方法,尤其對使用中帶普遍(bian)性(xing)和(he)典型(xing)性(xing)的故障(zhang)診(zhen)斷、排(pai)除方法以(yi)及挖(wa)掘(jue)機零部件的拆裝。