white pickling

• 二次酸洗,光亮酸洗

white pickling的用法和样例：

例句

1. A bright pickling and chromating process for copper pipes was introduced.
   介绍了一种紫铜管光亮酸洗钝化工艺。
2. The hydrometallurgical process of leaching zinc-containing oxide minerals by titanum white waste acid was investigated.
   研究了钛白废酸浸出含锌氧化物料的湿法冶金过程。