基本解釋曲柄行程詞組短語短語crank throw type crankshaft 曲柺軸the distance of crank throw 臂距值throw crank 推動曲柄three throw crank shaft 三連曲軸;三柺曲軸single throw crank shaft 單柺曲軸;單柺曲柄軸;單彎曲柄軸crank throw更多詞組專業(yè)釋義機械工程曲柺