Alloy 7075 is Introduced by Alcoa in 1943, alloy 7075 has been the standard workhorse 7xxx series alloy within the aerospace industry ever since.
7075由美铝公司在1943年推出，在航空航天工业，7075至今一直是7xxx系列合金的主力力量。
Alloy 7075 is Introduced by Alcoa in 1943, alloy 7075 has been the standard workhorse 7xxx series alloy within the aerospace industry ever since.
7075由美铝公司在1943年推出，在航空航天工业，7075至今一直是7xxx系列合金的主力力量。
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