... non pressure drain 无压排水渠 non pressure pipe 无压管 non redundant structure 静定结构 ...
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In service pipeline non-stop transmission welding is a method to maintenance and rebuild pipeline under welding pipe of certain transmission amount, flow speed, pressure status.
在役管道不停输焊接是在一定的输量、流速、压力的状态下焊接管件，对管道进行维修、改造的一种方法。
Smooth performance and to ensure non-adhesion properties of HDPE pipe has a higher than conventional transmission capacity pipe, but also reduces the pressure loss in piping and water consumption.
光滑的表现和非粘附特性保证HDPE管道具有较传统管材更高的输送能力，同时也降低了管路的压力损失和输水能耗。
Pipe Flow 3D is a professional tool that calculates pressure losses in single supply pipe work systems with known non-compressible fluid flows.
一款管道流体力学三维分析软件。支持点对点的压降计算。
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