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当前学科：中级采油地质工考试
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由捅杆十丢手接头+拉簧活门+Y341-114C封隔器+Y341-114C封隔器+635-Ⅲ三孔排液器+丝堵组成的潜油电泵井分层采油管柱可实现（）作业。
A . A、先压井
B . B、不压井
C . C、强压井
D . D、压井
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