The timing of the rotary valve, which is a key operating parameter for cryocoolers, determines the relationship between the intake and exhaust process.
而平面旋转阀的时序又是低温制冷机的一个重要参数，它决定了制冷机系统进气、排气过程之间的相互关系。
Engine using variable valve timing technology can improve the intake charge, so that coefficient of charge increase, engine torque and power can be further improved.
发动机采用可变气门正时技术可以提高进气充量，使充量系数增加，发动机的扭矩和功率可以得到进一步的提高。
Influence of valve timing on air intake efficiency of the variable air intake system is analyzed.
分析了配气正时对可变进气系统充气效率的影响。
It introduces some advanced technologies which increase the charging efficiency, such as the variable length of the intake duct, the variable valve stroke, the variable valve timing and so on.
介绍了可变进气道长度、可变气门升程及可变气门定时等提高充气效率的先进技术。
It introduces some advanced technologies which increase the charging efficiency, such as the variable length of the intake duct, the variable valve stroke, the variable valve timing and so on.
介绍了可变进气道长度、可变气门升程及可变气门定时等提高充气效率的先进技术。
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