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固井水泥头及常规固井胶塞
Cement head and cementing plug
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石油钻采设备用气动元件旋转导气接头
Pneumatic components for petroleum drilling and production equipment -- Swivel joint
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变向器
Rebel directional contol tools
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石油综合录井仪技术条件(附英文版)
Technical specifications for petroleum mud logging unit
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钻井井口控制设备及分流设备控制系统规范
Control system for surface mounted BOP stacks
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抽油机井测试仪器技术条件
Technical specifications of pumping well tester
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