Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/d5445e1038055b7244e4fd5efaaa1db5.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 iridescent passivation是什么意思，iridescent passivation的翻译，iridescent passivation音标、读音、用法和例句_骑士汉英词典
The processes of iridescent passivation for zinc coatings and colorless chemical oxidation for die-casting aluminum alloys were introduced. 介紹了壓鑄鋁郃金鍍鋅彩鈍和無色化學氧化工藝。