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水眼刺坏
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水眼刺坏
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钻井装备
释
nozzle puncture
水眼刺坏
可换式喷嘴与钻头体之间的密封失效,导致钻井流体冲蚀损坏安装喷嘴结构的现象。
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National Small and Medium Public Libraries Association
national social security fund
national soil and water conservation monitoring network and management information system
National Solar Observatory
National Solar Observatory of America
national solidarity
National Song
National Sorry Day
National Southwest Union University
national sovereignty
National Soviet Congress
Nationalsozialistische Deutsche Arbeiterpartei
National Spacecraft Industry Measurement and Testing Center
national space law
National Space Science Center
National Space Science Data Center
national spatial data infrastructure
National special Olympic Games
National Specimen Information Infrastructure
national sports
National Stadium
National Stadium of Singapore
national standard
national standard for food irradiation
National Standard for Physical Exercises
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