removal percentage

• 去除率

removal percentage的用法和样例：

例句

1. The removal rate of sulfide is high.
   硫化物的去除率很高。
2. Aside, the heightener of ammonia-nitrogen removal follows ammonia-nitrogen original concentration.
   另外，氨氮去除率随着初始氨氮浓度的增大有明显的提高。