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为什么要用丝绸包裹火药？ - 知乎
source link: https://www.zhihu.com/question/332678601/answer/734563522
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发射药包是很讲究的。丝绸只是一种药包材料，除此之外还有羊毛、斜纹布、涤纶都用做发射药包制作。发射药…
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