短語(yǔ)詞組短語(yǔ)differential chain hoist 差動(dòng)鏈?zhǔn)狡鹬貦C(jī);差動(dòng)倒鏈;差動(dòng)鏈?zhǔn)降踯?/li>geared differential hoist 齒輪式差動(dòng)吊車 返回 differential hoist