提煉技術，西方甩土共不知幾條街。所以鋼鐵，中國都是出口粗鋼，西方再提煉成特種鋼。

來源: 無形劍於 2023-01-13 06:23:04 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.