必須兩者兼備，不小心被食物卡喉，立即按反射區，目的使它們噴出來，便可以沒事。
https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://news.tvbs.com.tw/entertainment/280
www.google.com
https://tw.news.yahoo.com/%E5%AE%B6%E5%AF%A7%E6%83%B9%E6%AF%9B-%E7%A5%A8%E6%9C%AA%E4%BE%86%E6%B3%95%E5%BE%8B%E4%BA%BA-%E8%80
1º. Bal b/f 93792KM-0KM=93792KM Bal c/f, por ano. 2º. Principal: Bal b/f 19,956,764KM-20,736KM=19,936,028KM Bal