单项选择题
挤水泥时，对低渗透地层，其失水量为（）
A.0~100mL/30min
B.300~800mL/30min
C.50~100mL/30min
D.500~2500mL/30min
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单项选择题
A.0~100mL/30min
B.300~800mL/30min
C.50~100mL/30min
D.500~2500mL/30min
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