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确定了燃气管道管材的选择原则,指出了高频直缝焊接钢管在高压天然气管道上及聚乙烯管在中低压天然气管道上应用的优势。
The selection principle of gas pipeline pipe was determined, and the advantages of applying high-frequency straight seam welded steel pipes on high-pressure natural gas pipelines and polyethylene pipes on medium-low pressure natural gas pipelines were pointed out.