circulation water treatment 基本例句 循环水处理 The results showed that the seawater treatment system was effective.结果表明，封闭循环水处理系统的效果是成功的。 The circulationg water treatment process of non-woven fabric production through spunlace is introduced.介绍了水刺法非织造布生产循环水处理工艺流程。