设计压力为B级的中压燃气管道,其压力范围是下列哪一项?( )A.0.2MPa<

题库2022-08-02  26

问题 设计压力为B级的中压燃气管道,其压力范围是下列哪一项?(  )A.0.2MPa<p≤0.4MPaB.0.1MPa≤p≤0.2MPaC.0.01MPa≤p≤0.2MPaD.0.2MPa<p≤0.5MPa

选项 A.0.2MPa<p≤0.4MPa
B.0.1MPa≤p≤0.2MPa
C.0.01MPa≤p≤0.2MPa
D.0.2MPa<p≤0.5MPa

答案 C

解析
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