Solenoid valve flow coefficient generally small, and the work of a very small pressure difference.
电磁阀一般流通系数很小，而且工作压力差很小。
This article has mainly introduced the cold mode test and the result analysts of the spring nozzle with small pressure difference.
主要介绍了小压差弹簧喷嘴的冷态试验和结果分析。
There are small temperature and pressure difference in steam inlet and outlet of heat exchanger, and big heat transfer surface.
换热器蒸汽入口和出口温差小，压差小，管程传热面积大。
Parallel connection? Small pressure drop Small temperature difference Difficult monitoring of blockage.
平行连接？ ？ ？压力降小温度差小不易检查通道断路。
Parallel connection? Small pressure drop Small temperature difference Difficult monitoring of blockage.
平行连接？ ？ ？压力降小温度差小不易检查通道断路。
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