短語詞組短語chain pulley block 鏈滑輪組electric chain pulley block 電動葫蘆chain hoist block 環(huán)鏈葫蘆electric chain -block 電動葫蘆chain command block 連鎖型命令方塊chain -block 起重機electric chain hoist block 電動鏈式滑車hand chain pulley block 手拉葫蘆Chain lever block 環(huán)鏈手扳葫蘆 返回 chain block