甚至在今天，大约50%的致命事故涉及儿童旅客不足引起的保护或未能用的防护系统。
Even today, approximately 50 percent of fatal accidents involving child passengers are caused by inadequate protection or failure to use protective systems.
儿童的脸太小，不能与呼吸防护口罩正确密合，有效发挥防护效果。
Children's faces may be too small for the respirators to fit properly and provide protection.
呼吸防护口罩不是给儿童设计的。
应用推荐