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Terms for subject Mining containing 控制阀 | all forms | in specified order only
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压差控制阀pressure differential control valve
压差控制阀differential pressure control valve
地面控制的井 下安全阀surface controlled subsurface safety valve
地面控制的安全阀surface controlled safety valves
泵出口控制阀pump discharge control valve
液压控制阀hydraulic control valve
环空压力控制阀annular pressure control valve
环空压力控制【启动】的测试阀annular pressure activated testing valve
环空压力控制【启动】的测试阀annular pressure controlled testing valve
静液压控制阀hydrostatic control valve