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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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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This article makes the numerical simulation of particles flow regime in a horizontal pipe by applying the theory of particles trace.

本文采用粒子追踪理论对水平管中粒子流动状态进行了数值模拟。

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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