The main business of metal pipe fittings for industrial R & D, production and sales, the main products are pipe fittings, flanges, piping and pressure vessels.
其主营业务为工业金属管件的研发、生产和销售，主要产品为管件、法兰、管系和压力容器。
Fluid pressure pulse is one of the main noise source in water piping system, mufflers are widely used to restrain pressure pulse.
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。
As to piping-main scheme unit, boiler piping-main steam pressure is the important parameter of signifying the running state of the boiler.
对于母管制运行的机组，母管蒸汽压力是表征锅炉运行状态的重要参数。
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