海水管道系统经常饱受海洋生物污染的侵害。
Seawater intake pipe-work systems always suffer the problems of fouling.
在海水管道系统中，由泵、阀门、弯头等元件引起的压力脉动(即流噪声)是主要的噪声源，消声器被广泛应用于抑制流体压力脉动。
Fluid pressure pulse is one of the main noise source in water piping system, mufflers are widely used to restrain pressure pulse.
汕头市濒临汕头海，属海滨城市，海水的涨潮制约着本市市区排水管道排水的情况。
Shantou city is bordered on Shantou sea, and is a seashore city. The flood tide of seawater restricts the drainage conditions of the drainage pipelines in the city area.
汕头市濒临汕头海，属海滨城市，海水的涨潮制约着本市市区排水管道排水的情况。
Shantou city is bordered on Shantou sea, and is a seashore city. The flood tide of seawater restricts the drainage conditions of the drainage pipelines in the city area.
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