美国年产一亿吨钢2千万车百万吨玻璃几百架飞机成亿吨油气几百万吨陶瓷雇最多材料工程师,相比nano应用雇的可以忽略不计了。
本帖于 2023-12-27 22:14:54 时间, 由普通用户 三河匹夫 编辑
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