警醒！又一测绘人员迷路被困深山，位置难定！外业人员安全亟待解决！

[img]https://img.nga.178.com/attachments/mon_202007/06/-7Q5-6xgyZbT1kShs-12i.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202007/06/-7Q5-dfulZaT1kShs-12i.jpg.medium.jpg[/img]


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