contactorsn.接触器（contactor的复数）contactn.接触；联系；熟人v.(与)联系；(与)接触adj.接触的contact overtravel[电]触点超程contact spring set触点弹簧组contact inhibition接触抑制contact the number联系数contactor material接点材料contact thermostat接触式恒温器contact rail gauge接触轨限界contactless switch无触点开关contact gear ratio接触比contactless device无接点装置