”專機在蒙古的飛行時間僅有32分鍾”、是如何得出的。出國境正確時刻和墜落正確時刻的出処？

來源: 飯盛男於 2022-05-30 20:27:03 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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