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In engineering design, the system of flow distribution pipe is very complex.
在工程设计计算中，分配管系统是个十分复杂的过程。
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The distribution of the wear inside the pipe bend is presented.
介绍了弯管内磨损分布情况。
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The distribution of the wear inside the pipe bend is presented.
介绍了弯管内磨损分布情况。
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