设计和工艺的缺陷,机械故障或是操作失误都可能导致坠毁。如果发生地点在俄纵深的喀山,基本上可以排除电子干扰这类外来因素
本帖于 2025-07-08 11:05:43 时间, 由普通用户 天青水蓝 编辑
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