单项选择题
利用dc指数法监测地层压力时,默认正常的地层压力梯度一般为()
A.0.90g/cm3-1.05g/cm3
B.0.96g/cm3-1.10g/cm3
C.0.97g/cm3-1.06g/cm3
D.0.97g/cm3-1.10g/cm3
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单项选择题
A.0.90g/cm3-1.05g/cm3
B.0.96g/cm3-1.10g/cm3
C.0.97g/cm3-1.06g/cm3
D.0.97g/cm3-1.10g/cm3
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