back water pump是什么意思

网络释义

用法例句

Study on Treatment Technology of White Water Recovery for Paper Manufacture;

造纸白水回收处理技术新探讨

First introduce the reuse of the mixed water,and then white water closed system and several typical zero discharge processes in pulp and paper plants are presented.

介绍了造纸工业水循环回用技术的进展,对造纸过程中段水的回用做了讨论,并对造纸白水封闭循环系统和制浆造纸企业常用的零排放流程做了介绍。

Experience of paper machine white water recycling in Nanping paper mill, Fujian province, China is reported.

介绍了南纸公司通过实施清洁生产,实现新闻纸白水循环使用的情况。

Physical properties were determined not just by the overall contaminant amount but also by the nature of contaminant,dissolved or col-loidal,presented in the whitewater.

另外,不同纸料对相同成分的白水的敏感性不同。

The specific haze remover thereof is also formulated.

对漆膜"发白"的成因及其事先预防与事后消除的方法的原理进行了分析,从基本原理出发,因物制宜地开发了以溶剂蒸气熏蒸为特点的消除食品罐头底盖涂层上的水渍白斑的特殊处理工艺,提出了此工艺中专用的特殊化白水的配方。