用“contrate”造句大全，contrate造句
Itfeaturesinmatchingbackingtriadcontrategearmeshpositioningspiralliftinglockinggoodrigidityinternalupliftreliablestructureflexibleoperatingmodeandlongservicelife.Asmallswitchinggear,acontrategearshaft...
用“contrate gear”造句大全，contrate gear造句
Asmallswitchinggear,acontrategearshaftrespectivelyfixedlyconnectedwithabigchainwheelandabiggear,aspeedchangegearsetandageneratorsetarearrangedinthecasing.Itfeaturesinmatchingbackingtriadcontrategearme...