secondary water system的意思|示意

Physical, chemical and biological control methods in the purifying water process and the secondary water supply system in Chinese water supply industry are discussed.

重点介绍了目前国内供水行业所采用物理、化学以及生物的方法在水厂净水处理及二次供水过程防除摇蚊污染的研究；

Unfortunately, the bathtub is not a spa-style tub with a secondary heating system and circulating jets, but rather a simple water containment vessel.

不幸的是，这个浴缸没有温泉热水模式，就是没有另外的加热系统和循环的喷嘴，而是个简单的水密闭容器。

For sensitive materials, Alliance can supply a gas-assist system with a secondary water injection, followed by a gas purge.

对于敏感材料，他们公司提供带有水辅功能的气辅系统。

The invention has the advantages of lower cost, good treatment effect to water obstruction scales with high hardness and high silicon content and no secondary pollution to a film system.

本发明有益效果为：成本较低、对高硬度、高硅含量的水阻垢处理效果好、对膜系统不会造成二次污染。

Connecting with example this paper introduces the rational application of bypass pressure fixing and secondary pumping system in air conditioning s cooling water system of tall buildings.

本文结合实例介绍了旁通定压和二级泵系统在高层建筑空调冷水系统中的合理应用。

This paper introduces the operating process and control system of the secondary cooling water of the new billet caster in No. 3 steelmaking plant of Magang.

介绍了马钢第三炼钢厂新建方坯连铸机二冷水系统的工艺过程及其控制与特点。