A general structure concept of a horizontal pipe-valve is also introduced.

并介绍了一种水平管阀的总体结构方案。

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This allows our swing check valve to close completely even when installed in a horizontal pipe run with no flow.

这使得我们的旋启式止回阀无论安装在水平管道还是垂直管道上，都能够实现完全的关闭。

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A stratified flow in a horizontal pipe represents the most important form of high concentration powder transport flow.

水平管内分层流动是高浓度粉体输送流型中最重要的形式，研究其阻力特性有着重要的意义。

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Horizontal Drilling now allows these same operators to drill and set pipe for a mile or more horizontally through this same rock formation.

FORBES: Horizontal Drilling: A Technological Marvel Ignored