在美国一些地方，人们把这种天然气通过管道输送到较远的城镇，以供工厂及家庭使用，就同煤气一样。
In parts of America such gas is sent through pipes to distant towns, and used, like coal gas, in houses and factories.
对聚乙烯燃气管道水力学特性、连接方式以及输送人工煤气的可行性进行了分析，阐明了推广应用聚乙烯燃气管的前景。
The paper gives an analysis of the hydraulics properties, the method of connection and the feasibility of transporting artificial coal gas and the prospects of expansion application of PE gas line.
被冷却净化后的煤气经加压机，通过煤气管道输送使用。
Be cooling after purification of gas pressure machine, through the use of gas pipeline.
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