基本解释[化学]彩色钝化英汉例句双语例句The processes of iridescent passivation for zinc coatings and colorless chemical oxidation for die-casting aluminum alloys were introduced.介绍了压铸铝合金镀锌彩钝和无色化学氧化工艺。iridescent passivation更多例句词组短语短语trivalent chromium iridescent passivation 三价铬彩色钝化iridescent passivation更多词组专业释义化学彩色钝化