锈迹斑斑，飞行周期超过2万次的老飞机，应该报废。裂痕没有超过1MM，哪来的8MM

来源: Mich_Agent 于 2019-11-12 12:21:35 [旧帖] [给我悄悄话] 本文已被阅读：次

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