【搬运/已加工字幕】开膛击发枪械VS闭膛击发枪械工作原理介绍
AC 105229862019-7-24
https://www.youtube.com/watch?v=Ga4uoWmfEt4&list=PL9e3UCcU00TRIeypXC53S8r81DZRvoXmu
原标题:How Does it Work: Open Bolt vs Closed Bolt Firearms
原作者:被遗忘的武器
原标题:How Does it Work: Open Bolt vs Closed Bolt Firearms
原作者:被遗忘的武器

