基本解释[机械工程]铜包钢线英汉例句双语例句The processing and properties of copper-clad steel wire produced by pipe-weld cladding technique were studied.研究了铜包钢线的包覆焊接工艺及所得复合导线的性能。copper-weld steel wire更多例句专业释义机械工程铜包钢线