contactorn.电流接触器；开关contactn.接触；联系；熟人v.(与)联系；(与)接触adj.接触的contacting gauge接触式检测仪contact property接触性质contact language混杂语; 混杂行话contact coupling插头插座联接,接触耦合Contact Practice交往实践contact constant接触常数contact grouting接触灌浆contact relation接触关系contact softener接触软水器contact problems接触问题