The steady process of solid rocket motor modulated by the vortex valve is investigated theoretically.

对涡流阀调节固体火箭发动机压强的稳态过程进行了理论研究。

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This paper presents the critical design, researching method and procedure of acquisition system for valve current signal of liquid attitude control rocket engine.

介绍了液体火箭姿控发动机阀门电流信号采集系统的设计要点、研制方法与主要开发过程。

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The cryogenic helium pressure regulator is one of the most difficulty valve in cryogenic helium pressurizing technique which is applied first in LM3A rocket of China.

长三甲火箭在国内率先采用了冷氦增压系统，冷氦压力调节器是冷氦增压系统中的最关键阀门之一。

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The rocket launched without a hitch following a flawless countdown that came three days after a faulty valve on one of the rocket's engines forced a last-second postponement.

CNN: Historic launch of private rocket heralds new era