外来人员安全须知|PPT
链接：外来人员安全须知|PPT https://mp.weixin.qq.com/s?__biz=MzA3NDc4NTA2Nw==&mid=2649274094&idx=7&sn=50860da4ea4b58a8f80668f701226069&chksm=87669eaab01117bca26613e993db181d2909921f5c7c7de74cefe4d266bd9ad8191bf56b85a8&mpshare=1&scene=23&srcid=&sharer_sharetime=1572244705406&sharer_shareid=d9fdcc60a46951fed6d7a0bbdd004814#rd