propylene epoxide;saponated sewage;biological treatment;deep well aeration

• 环氧丙烷；皂化污水；生化处理；深井曝气

propylene epoxide;saponated sewage;biological treatment;deep well aeration的用法和样例：

例句

1. A new process of Hydration of propylene oxide to glycols was introduced.
   采用反应精馏新工艺由环氧丙烷水合制丙二醇。
2. The propylene epoxide saponated sewage disposal system running process is summarized.
   总结了环氧丙烷皂化污水处理系统运行情况。
3. The propylene epoxide saponated sewage disposal system running process is summarized.
   总结了环氧丙烷皂化污水处理系统运行情况。
4. Research is needed to reduce the space required for biological treatment systems.
   要研究如何降低生化处理系统的占地面积。
5. 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。