冷兵器对热兵器,还信心满满。
回答: 有外因也有内因。内因是清朝怕汉人造反,严禁民间铁器,三百年下来,西方铁器发展三百年,中国倒退三百年。铁器是蒸汽机的基础,热武器的
由 goodmum
于 2023-01-27 12:04:00
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