标签：人工呼吸 相关文章
New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了， 想救人家
发表于:2018-12-07 / 阅读(161) / 评论(0)
60秒科学
60秒科学