Последние добавленные видео:
火藥器
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2 years ago
44555 2 years ago 3:10Disassembling a nail gun suspension tool: Exploring mechanics and inner structure.
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1 year ago
35871 1 year ago 2:45黑火药的配比与颗粒化进阶知识【穿越者大联盟】军事科技
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2 years ago
77097 2 years ago 2:02特工用白糖制作炸弹：俗称糖衣炮弹
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4 years ago
359480 4 years ago 12:42How to make Industrial Style much Faster and Easier
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5 years ago
6986 5 years ago 1:03【產品介紹】HILTI喜利得 - 火藥擊釘器 DX 5
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3 years ago
2528 3 years ago 8:13演示各种火药的威力
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4 years ago
59766 4 years ago 1:20【化学实验】黑火药的制作与引燃
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3 years ago
2574 3 years ago 1:46据说6枚子弹里面30克的火药量 就能炸开一扇门锁，这会是真的吗？