本文研究了中口径自动舰炮输弹簧的疲劳寿命及损伤规律。
The fatigue life and cumulative damage of ammunition feeding spring in automatic naval gun of medium calibre have been analysed.
以中口径高品质ERW焊管生产为例讨论了各生产工序质量控制要点。
Meanwhile it also discusses the main control points on production process based on the middle-diameter ERW pipe production.
中口径舰炮对海上目标的射击方法是射击指挥自动化研究中的一个重要课题。
Firing method of medium caliber naval gun on targets at sea is an important study of firing command automation.
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