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 海姆立克急救法 演示,隔三差五就轉發一遍! 關鍵時刻能救人一命! https://t.co/HBRgzdHZvx https://video.twimg.com/ext_tw_video/1790665650869866496/pu/vid/avc1/540x960/C6uoqMaPPdF-76Nv.mp4?tag=12