gas supply pipeline

基本解释

One end of the gas supply pipeline is connected with the gas supply system;
送气管线的一头与供气系统连接；
ip.com
Gas supply : the pipeline natural gas is provided in the Park. (The gas is from ShanXi Province. )
供气：提供管道天然气（陜气）。
It reports a practical engineering of natural gas supply pipeline from Pudong New Port to Beicai Station in Shanghai metropolitan fuel gas project.
报道上海城市燃气工程中，浦东新港首站至北蔡末站天然气供气管线的通球扫线、全线整体试压以及氮气置换的施工实例。

In other words, the generators were ready to run, but they had no access to natural gas because neither the gas commodity nor the gas pipeline market were open to transact supply or schedule deliveries.
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