當然可能，飛機起飛降落的衝擊力是非常大的，不一定是疲勞裂縫，而是衝擊力下麵的直接脆斷。高強鋼質量差就有容易脆斷的弱點。

來源: 咲媱於 2023-04-03 10:54:23 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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