弹壳;药筒;
The influence of the initial clearances of the cartridge case and the barrel is also discussed.
讨论了初始间隙等因素对发射应力和抽壳力的影响.
The conclusion could direct the emended design of the cartridge case solving the real engineering problems.
本文提出的改进措施为药筒的改进设计指出了方向,解决了工程实际问题.
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