For multilayer charge, with a certain weapon, there is only one relation between the ratio of each layer burning rate and the ratio of each layer thickness, the keeping invariable max pressure and the most muzzle velocity increasing.
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for multilayer charge
对于多层电荷
以上为机器翻译结果，长、整句建议使用 人工翻译 。
应用推荐
模块上移
模块下移
不移动