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将传统设计与可靠性理论相结合的可靠性设计方法，应用于液体火箭发动机电动气活门设计中，证明了这种思路的可行性与合理性，对部件设计的可靠度保证大有裨益。
The reliability design method that combines the traditional design and the reliability theory is applied to the design of the electro-pneumatic valve of a liquid propellant rocket engine. The feasibility and rationality of this idea are proved, which is of great benefit to the reliability of component design.