英语词汇“crown block”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	crown block
释义	crown block 定滑轮
随便看	master volume control master VTR master wafer master warniag signal master warning system master warning system (mws) master warrant officer master watch masterweaver masterweavers master weight record master well master wheel master work master-work masterwork master worker master workman master workpiece master-works masterworks master work schedule masterworkshop masterworkshops master worm 牛蹄之涔，无尺之鲤；块阜之山，无丈之材牛蹄子两半儿牛蹄子，两半儿牛蹄子，两瓣儿牛蹄彳亍牛尾摇，背上闲闲立春写。牛身上拔一根毛牛身上跌跤，马背上翻梢牛追兔子，有劲使不上牛郎织女星牛鞅子架在马身上，乱了套 □ □ □ □ □ □ □ □ □ □