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?( )
2023-09-12
A.0.2MPa<p≤0.4MPa
B.0.1MPa≤p≤0.2MPa
C.0.01MPa≤p≤0.2MPa
D.0.2MPa<p≤0.5MPa
参考答案:C
B.0.1MPa≤p≤0.2MPa
C.0.01MPa≤p≤0.2MPa
D.0.2MPa<p≤0.5MPa
参考答案:C
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