有时,大连造船厂或上海沪东造船厂待完工的军舰数量就相当于世界上大多数国家完整的舰队。
回答: 现代造军舰造飞机都不是自动化,都要求大量的熟练技工。美国由于制造业外移,缺少了大量技工,重点军舰和飞机制造缓慢,即使造出来也是毛
由 XYZ94538
于 2020-12-06 12:39:26
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