单项选择题
A.92~95 B.102~107 C.114~118 D.119~128
A.5~6 B.8~9 C.10~12 D.12~15
A.102 B.110 C.114 D.116
A.分层采油 B.分层注水 C.连接油套环形空间 D.堵水
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