短語詞組短語protective e covering 護麪cable protective covering 電纜?，?電纜保層;電纜保護層liquid protective covering 液躰護創(chuàng)膜corrosion protective covering 防蝕覆蓋;防腐蝕包層;防蝕被覆;防腐保護層any soft protective covering 任何保護性軟套a protective covering 對醉酒的海員實施保護性監(jiān)禁multilayer protective covering 成層式防護層Protective covering of cable 電纜外護層Fibrous braid protective covering 纖維編織防護覆蓋層 返回 protective covering