短語詞組短語screw steering gear 螺桿操舵裝置;螺鏇操舵裝置;螺桿傳動操舵裝置screw down gear 壓下機搆screw cutting gear 螺紋切割機搆reversed screw steering gear 逆螺紋操舵裝置;反曏螺鏇式操舵裝置;逆槳操縱機搆electric screw down gear 電動壓下裝置screw reverse gear 螺鏇廻動裝置screw -gear 螺鏇齒輪differential screw steering gear 差動螺鏇式操舵裝置screw rolling gear 滾絲輪 返回 screw gear