In general, there are two kinds of method to govern velocity of press, one is throttle velocity governing, the other is volume velocity governing.
一般情况下，压型调速方法有两大类，一类是节流调速，另一类是容积调速。
On the base of analyzing the gas axletree of expansion machine in theory, the system of gas source are mended and designed, it makes the throttle can realize the auto-control of press and flux .
在对某型膨胀机气体轴承理论分析的基础上，对其气源系统进行了改进设计，使节流器实现压力流量的自动控制。
After you start the engine, no matter you walk your heli to the landing pad or strap you radio to get ready to fly, always put your thumb on the throttle stick to press it down.
当你发动好引擎，走向起飞坪或挂上挂带准备起飞时，别忘了用大拇指压住油门杆。
A control system which USES to control the flat valve of multistage throttle is design in order to establish the foundation for automatic control of multistage throttle during press the well.
设计了一套专门用于控制多级节流管汇液动平板阀的控制系统，主要目的是为多级节流系统在压井过程中实现自动控制奠定基础。
A control system which USES to control the flat valve of multistage throttle is design in order to establish the foundation for automatic control of multistage throttle during press the well.
设计了一套专门用于控制多级节流管汇液动平板阀的控制系统，主要目的是为多级节流系统在压井过程中实现自动控制奠定基础。
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