pollution control ship是什么意思

用法例句

The fundamental principle and controlling procedure of PCS ingredient system to adopt the frequency conversion and velocity modulation technique in the coking plant blending coal system, and along with the economic benefits after the reconstruction were mainly introduced in this article.

介绍了焦化厂配煤系统PCS配料系统采用变频调速技术的基本原理及其控制过程,以及改造后取得的经济效益。