selection of pipe material
selection of pipe material
管材选择
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The selection of pipe material for insertion method is introduced, and the influence of insertion method construction on transmission capacity of gas pipeline is discussed.
介绍了穿插法中管材的选择，讨论了穿插法施工对燃气管道输送能力的影响。
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