题目内容
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提问人:网友zfbtyu
发布时间:2022-01-07
[主观题]
管道的压降由()组成The pressure drop in the pipeline consists of three parts:
A、消耗于摩阻的压降Pressure drop consumed by friction;
B、气体上升克服高差的压降The rise of gas overcomes the pressure drop of height difference;
C、流速增大引起的压降The rise of gas overcomes the pressure drop of height difference
D、气体内摩擦造成的压降Pressure drop due to internal friction of a gas
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