Warning: file_put_contents(): Only 0 of 5186 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 iridescent passivation例句_iridescent passivation英汉例句_iridescent passivation双解例句_菜篮子兴趣思朗文词典
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。