题目内容
(请给出正确答案)
[单选题]
在密闭输送管道中,应控制站间管道各处的动水压力不宜下于()。
A.0.1MPa
B.0.2MPa
C.0.3MPa
D.0.4MPa
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A.0.1MPa
B.0.2MPa
C.0.3MPa
D.0.4MPa
(A) 150,0.1
(B) 100,0.03
(C) 100,0.3
(D) 150,0.01
A.50mm
B.100mm
C.150mm
D.300mm