题目内容
(请给出正确答案)
[单选题]
某井修井液密度为1.20g£¯cm3<£¯sup>,如果井筒的液面下降了30m,则井底静液压力减少()MPa。
A.0.3528
B.0.3586
C.0.3938
D.0.3966
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A.0.3528
B.0.3586
C.0.3938
D.0.3966
A.29.43
B.36
C.35.32
D.都不是
A.1.30
B.1.24
C.1.18
D.0.064
A.15.20
B.16.30
C.14.14
D.18.60
A.89.10
B.100.10
C.76.44
D.79.10
A.17.80MPa/米
B.12.74kPa/米
C.8.80MPa/米
D.5.30MP/米
A.71.28
B.71.20
C.75.50
D.76.50
A.1.35g/cm3
B.1.50g/cm3
C.1.60g/cm3
D.1.70g/cm3
A.1MPa
B.2MPa
C.3MPa
D.4MPa
A.1.14
B.1.18
C.1.24
D.1.28