海姆立克急救法
链接：海姆立克急救法 https://mp.weixin.qq.com/s?__biz=MzUxNjY0NjE2NQ==&mid=2247486895&idx=3&sn=84a2b9483520fca2ff1fc9b182027c7f&chksm=f9a579d5ced2f0c321b6a9d04d32b99b39319386309c87ed86c9d0b2dd0aabacb1a54b67d742&mpshare=1&scene=23&srcid=&sharer_sharetime=1570667081239&sharer_shareid=d9fdcc60a46951fed6d7a0bbdd004814#rd
