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有一次,一位德国的兵器专家,从一大堆战场照片中,发现有一名士兵把死者头盔堆起来作为防护墙,这使他萌发了将头盔和枪组合起来的念头。后来,他终于研制出了世界上第
Once, a German ordnance expert found a pile of battlefield photographs of a soldier who had piled up the dead helmet as a protective wall, which gave him the idea of combining a helmet and a gun. Later, he finally developed the world’s first