后退力
For the fuze setback arming of a projectile, there are two main force environments, one is a projectile launched in the bore, and another is the force environment of the 1.5 m drop test of ammunition from the standard.
对于弹药引信的后坐保险来说,主要的受力环境有两种,一种是弹丸在膛内的发射环境,另一种是标准规定的1.5m跌落试验环境。
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