英语语法分析

This paper discussed the reason of the copper metal alloy exchange-heat corrosion and "copperizing" phenomenon, and put forward the antisepsis countermeasure.

前言： 本文对铜合金复水器腐蚀原因及“镀铜”现象产生原因进行了探讨，并在此基础上提出了防腐蚀对策。