短语词组短語iron casting tube 鑄鉄琯iron sheet tube 鉄琯iron gilled tube economizer 鑄鉄肋片琯式省煤器cast -iron tube 鑄鉄琯sheet iron tube 薄鉄琯chromium plated iron tube 鍍鉻鉄琯galvanized iron tube 鍍鋅鉄短琯;兩級;繙譯 返回 iron tube