概述了我国陆上长输天然气管道压气站的技术现状。
Developing status quo of compressor stations over Chinas land natural gas transmission pipelines is described.
高压、大口径、长输天然气管道采用内涂层主要具有两大功能,一是防腐蚀,二是减阻。
Internal coating used in high pressure, large diameter and long distance gas pipeline has two main functions, one of them is anti corrosion and the other is drag reduction.
气液联动球阀广泛应用于长输天然气管道,具有传动稳定、容易控制、不需要电源等优点。
Gas-oil valves are used widely in gas transmission pipelines with stable operating, easily to control and power-free.
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