The layout of gas resource makes gas cost a little high;
天然气资源布局造成其成本相对偏高；
Comparable perfect layout of the system can lead to less construction and circulate cost.
管网合理的规划布局不仅可以大大降低系统的建造成本，而且还可以降低运行成本。
Comparable perfect layout of the system can lead to less construction and circulate cost.
管网合理的规划布局不仅可以大大降低系统的建造成本，而且还可以降低运行成本。
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