Aided with computer, the intelligent well control system monitors and the real-time controls are used to control back pressure of the drilling well head.
智能井控系统是应用计算机对钻井井口回压进行监测和实时控制并采用计算机电液比例控制的系统。
The Fairchild Model 10BP Back Pressure Regulator is an excellent choice for applications which require high precision control of back pressures and relief pressures.
飞兆半导体模型10BP的回压阀的应用，是需要背的压力和救济的压力控制精度高的最佳选择。
The hospitals had cut way back on the large amounts of pain-killing drugs usually given during and after surgery that were used primarily to control blood pressure, not pain.
这些医院削减了原本大量使用的止痛药，这些药通常在手术中和手术后都使用，主要是用来控制血压而不是止疼。
Working pressure is the hydraulic pressure control valve before the working hydraulic control valve back pressure minus the difference.
工作压差是指水力控制阀前的工作压力减去水力控制阀出口背压的差值。
The system can pump the helium in the gasbag back to the high-pressure gas storage tank through the compressor or control the exhaust valve to exhaust so as to adjust buoyancy force.
本系统可通过压缩机将气囊中的氦气抽回高压贮气罐或控制排气阀放气来调整浮升力。
Based on method of exhaust back-pressure to judge DPF regeneration time, working principle of regeneration control system was introduced.
基于排气背压法判断DPF再生时机，阐述其再生控制原理。
Based on method of exhaust back-pressure to judge DPF regeneration time, working principle of regeneration control system was introduced.
基于排气背压法判断DPF再生时机，阐述其再生控制原理。
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