双语例句
Metallographic structure of copper coated graphite powder and sintering material were analyzed and the reason of the material having high conductivity was illust...
本文还分析了这种钢镀覆石墨粉末及其烧结材料的金相结构,解释了材料的高导电性的原因。
说明
Metallographic structure of copper coated graphite powder and sintering material were analyzed and the reason of the material having high conductivity was illust...
本文还分析了这种钢镀覆石墨粉末及其烧结材料的金相结构,解释了材料的高导电性的原因。