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螺杆泵完井管柱
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螺杆泵完井管柱
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完井管柱
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screw pump completion string
螺杆泵完井管柱
通过地面动力驱动抽油杆带动管柱间螺杆泵,进而将井下液体举升到地面的完井管柱。
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enterovirus type 71,EV71
enterprise application integration
enterprise application integration, EAI
enterprise application integration middleware
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enterprise archives appraisal
enterprise archives collection system
enterprise archives compiling and research
enterprise archives secret
enterprise assets management
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Enterprise Bankruptcy Law
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enterprise cleaner production audit
enterprise college
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enterprise competitive intelligence strategy
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enterprise competitiveness evaluation
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enterprise credit evaluation
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