waste water in process hides

• 制革废水

waste water in process hides的用法和样例：

例句

1. Chemicals residua in this waste water is a pollution source.
   制革废水中的污染物源于材料的残余。
2. The methods of chemical and physical treatment and biological treatment on tannery waste water are summarized.
   概述了制革废水一级物化处理和二级生化处理的各种方法。