The main coordination mechanism is recognized by judging which determines natural gas wellhead price and the secondary coordination mechanism is recognize by judging structural characteristic .

其中，通过判断天然气 价格（ 井口 价）由哪类主体制定来确定其主要协调机制，通过一 系列 附加结构的特征来判定辅助协调机制。

Foreign natural gas prices are divided into a wellhead price an urban gate station price and a terminal user price .

国外天然气价格分 井口 价、城市门站价和终端用户价。