gun propulsion technology
gun propulsion technology
火炮推进技术
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This dissertation focuses on the study of a new launching technology of missile by the gun, in which the high-low launching theory is applied to the two-stage propulsion technology.
本文研究的就是一种用于炮射导弹的新型发射技术，即应用高低压发射原理的二次发射技术。
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