The variation trends of natural gas price and selection of stand-by gas sources for piped natural gas are analyzed.

分析了天然气价格变化趋势及管输天然气备用气源的选择。

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The variation trends of natural gas price and selection of stand-by gas sources for piped natural gas are analyzed.

分析了天然气价格变化趋势及管输天然气备用气源的选择。

youdao