我国城市燃气管道按输气压力来分，次高压A燃气管道压力为( )。A.0.4

作者: rantiku 人气: - 评论: 0

问题我国城市燃气管道按输气压力来分，次高压A燃气管道压力为( )。

选项 A.0.4

答案 B

解析参见城镇燃气管道设计压力（表压）分级表2K31503

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