E. Allow time for client to exhale.
留出病人呼气时间。
The trick was that I had to force myself to exhale when my face was still in the water.
技巧是,当脸在水中的时候,我强迫自己呼气。
This is especially damagingif the victim neglects to exhale prior to decompression or tries tohold their breath.
如果遇难者只顾摒住呼吸而忽视了吐出空气平衡压力,那尤其危险。
应用推荐