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document.write("- 2016-08-23 04:16:24 发表1楼 本站网友 匿名 ip:188.143.232.*
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document.write("- "I can't see that firing a front bullet wo3d9n&#ul;t apply the same force to the stack of bullets behind it."It was an issue with the early blackpowder models. There have been plenty of refinements in tech since then.
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