短語(yǔ)詞組短語(yǔ)chain pulley block 鏈滑輪組electric chain pulley block 電動(dòng)葫蘆chain hoist block 環(huán)鏈葫蘆electric chain -block 電動(dòng)葫蘆chain command block 連鎖型命令方塊chain -block 起重機(jī)electric chain hoist block 電動(dòng)鏈?zhǔn)交?chē)hand chain pulley block 手拉葫蘆Chain lever block 環(huán)鏈?zhǔn)职夂J 返回 chain block