The paper presents the new zinc-nickel alloy pr ocess and provides the electro-zinc-nickel alloy colour passivation process base d on the research and test.是什么意思_The paper presents the new zinc-nickel alloy pr ocess and provides the electro-zinc-nickel alloy colour passivation process base d on the research and test.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句