v belt transimission 三角皮带传动...data-transimission equipment 资料输送仪器...data transimission 资料输送...transimission gear 变速齿轮,传动机构...transimission dynamometer 传动测功计...data-transimission utilization measure 资料输送利用率度数...transimission rope 传动绳索...
交流互动
发表言论