短語(yǔ)詞組短語(yǔ)single sheave metal block 單輪金屬滑車(chē)multiple sheave pulley block 多坑轆轤double sheave steel block 雙輪鋼滑車(chē)steel sheave pulley block 鋼輪滑車(chē)single sheave pulley block 單輪滑車(chē)double -sheave wooden block 雙輪木滑車(chē)wooden sheave block [建]木輪滑車(chē)sheave block component 滑車(chē)組部件sheave block bearing 滑車(chē)組軸承 返回 sheave block