white water cycling system 白水封闭循环
system water-cycling 水循环系统
Cycling water pump motor system 循环水泵电机系统
Large public swimming pool applies inverse-flow-style cycling water supply system.
对于公用性大型泳池采用逆流式循环给水系统；
He article mainly introduces the application based on the PLC and Frequency conversion timing control system in use of the cycling water automation renovation system in the heat and power plant.
介绍了一种基于PLC与变频调速的控制系统在水系统自动化改造中的应用。
Agricultural pollution has a tridimension character of the complicated cycling system composed of water, soil, biosystem and atmosphere.
由于农业污染呈现水体、土地、 生物、大气的大循环体的立体污染的特点。
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