关键词: 喷气推进;气密强度试验;气密性人造卫星

Abstract: The autior’s experiences in design, and test of jet propulsion subsystem are summarized. The great importance of guarantee for air-tightness,the configuration of subsystem, the determination of specification on leakage rate, the reason of leakage, the corresponding prevention and inspection are also mentioned in this paper.

Key words: Jet propulsion;Airtight atrength test;Air tightness Satellite