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我国伊尔-10尾炮装的是UB机枪还是B-20航炮,这回有答案了
在东大仿过苏俄哪几种航炮?东大航炮型号整理(不完全)一文中,彩云罗列了我国用过的若干种航炮,其中不确定的是苏联B-20航炮是否使用过。这种航炮是在12.7mm口径UB航空机枪基础上放大口径演变而来的,体积和重量与UB航空机枪无明显差异,口径却变成了2 ...
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