Second launch on orbit 在轨二次发射
And under the thread of "the Second-Launch Theory", this paper briefly introduces the structure design of three kinds of bullets such as the shotshell grenade and the shell.
在二次发射的原理设计思路下,本文介绍了霰弹、榴弹以及脱壳动能弹这三种新型弹的简要结构设计特点。
参考来源 - 特种机械系统的动力学仿真与优化设计·2,447,543篇论文数据,部分数据来源于NoteExpress
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