open loop ratio control systems 开环比值控制系统
loop strength ratio 钩接强力比
multi loop ratio control 多回路比值调节
Double closed loop ratio control 双闭环比值控制
This paper introduces the design concept of double closed-loop ratio control system as well as the design and the application about acetylene with hydrochloride in chloroethylene synthesis unit.
介绍了双闭环比值控制系统的设计思路以及在氯乙烯合成装置中乙炔和氯化氢比值控制系统的设计和应用，以及在设计比值控制系统时所应注意的有关事项。
Vehicles spend a period of time in an Open Loop air-fuel ratio programming until the oxygen sensors heat up to proper operating temperature of approximately 316 degrees Celsius.
汽车需要在开环空燃比程序上花费一段时间以达到氧传感器的工作温度大约为316摄氏度。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
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