transitor晶体管transitn.运输；经过；转变；[天]中天；凌日；经纬仪vt.穿越；旋转vi.越过transitivity analysis及物性分析transit-time spread渡越时间分散transit mixer vehicle搅拌式运料车transit-dose method通过剂量方法transitivity structure压物性结构transit transportation过境运输transit trunk exchange中继线转接局transit time flowmeter(声速)渡越时间流量计transit time equalizer渡越时间校正器transit-time heating渡越时间加热