单项选择题
A.<10mm B.≤10mm C.<20mm D.≤20mm
A.一级固井完 B.二级固井完 C.一级固井完、二级固井前 D.一级固井后、二级固井前
A.10.5MPaB.14.5MPaC.15MPaD.17.5MPa
A.18.5~21MPaMPa B.17.5~21MPa C.16.5~20MPa D.15.5~19MPa
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