... circulating main 环状给水干管 circulating valve 循环阀 circulation relief valve 环流安全阀 ...
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reverse circulating valve 逆循环阀 ; 逆轮回阀
heating circulating valve 加热循环阀
HYDRAULIC CIRCULATING VALVE 液压循环阀
APR type circulating valve 环空压控循环阀
omni circulating valve omni循环阀
type circulating valve 环空压控循环阀
Cooperated with RD safety circulating valve, it can entirely take the place of APR-M2 tool with the character of accurate sampling, reducing construction period, simple and safe sampling etc.
与RD安全循环阀配合使用,完全可以替代APR-M_2工具,具有取样准确、缩短施工工期,取样过程简单、安全等特点。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
In the hot water system a high water tank with solenoid valve controlled water feeder is used to replace the secondary circulating pump.
热水系统中,采用电磁阀根据水箱液位进行补水,省去二次循环泵。
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