短語詞組短語chain n pulley 鏈條滑輪chain block pulley 鏈滑輪chain moving pulley 鏈動滑輪chain pulley seat 鏈輪座chain pulley block 鏈滑輪組electric chain pulley block 電動葫蘆double chain pulley 雙鏈滑輪hand chain pulley block 手拉葫蘆chain pulley collar 鏈輪環(huán) 返回 chain pulley