... 第一级火箭发动机 primary rocket motor; thruster 点火火箭发动机 igniter rocket 电弧火箭发动机 arcjet engine ...
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rocket igniter 火箭点火装置 ; [航] 火箭发动机点火器
In order to improve working reliability, increase grain mass, and achieve ignition and stage separation at the same time, a successful method is to apply an external igniter to solid rocket motor.
为了提高固体发动机工作可靠性，增加装药质量，同时实现二级点火和级间分离，应用体外点火器是一种成功的方法。
According to analyze the structure of survival rocket and identify its vulnerable spots, necessary structural improvements are put on overall lock and the hermeticity of igniter tube.
通过对火箭包的结构进行分析，确定薄弱环节，对整体防松和点火管密封性进行了必要的结构改进。
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