基本解释[機械工程]銅包鋼線英汉例句雙語例句The processing and properties of copper-clad steel wire produced by pipe-weld cladding technique were studied.研究了銅包鋼線的包覆銲接工藝及所得複郃導線的性能。copper-weld steel wire更多例句专业释义機械工程銅包鋼線