... criterion for noise control 释义：噪声控制标准 difference pressure control 释义：压差控制 data acquisition control system 释义：数据采集控制系统 ...
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DPC Difference Pressure Control 压差控制
pressure difference control 压差控制
furnace pressure difference control system 床压控制系统
variable pressure difference control 变压差控制
end pressure difference control 末端压差控制
pressure difference control valve 压差控制阀
pressure difference control method 压差控制法
To problems of testing in heavy oil Wells, the improvement and completion of testing technology have been conducted by hydraulic nitrogen to control pressure difference.
针对稠油井测试工艺存在的问题，对稠油井测试工艺进行了改进和完善，认为用液氮可以控制压差。
Applying variable pressure difference control can reduce throttle loss and achieve better energy-saving effect.
采用变压差控制可减少阀门的节流损失，具有更好的节能效果。
Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
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