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钻柱稳定器
释义
钻柱稳定器
Encyclopedia
工学
井下工具
释
drill-string stabilizer
钻柱稳定器
使钻柱轴线靠近井眼中心从而控制井眼曲率的工具。又称扶正器。
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sovereignty theory
Sovetbek Baigazov
Sovetskaya Gavan
Sovetskoe Foto
Soviet agricultural cooperation and collectivization
Soviet architecture
Soviet cinema
Soviet district education
Soviet education
Soviet experts
Soviet-Finnish War
Soviet higher education model
Soviet-Japanese Neutrality Pact
Soviet Mountains
Soviet Pioneer Photography
Soviet Republic of Bavaria
Soviet Russian theoretical psychology
soviet school
Soviet system
Soviet Union Aggression Against Afghanistan
Soviet Union literature
Soviet Union space activities
Soviet Union,United Stated,United Kingdom and France Respective Occupation Zones in Germany
Soviet variable star
sow
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