From the beginning of the procedure to satisfactory exposure of the glottis was .±0. s and the time for intubation was 7.± . s.
From the beginning of the procedure to satisfactory exposure of the glottis was .±0. s and the time for intubation was 7.± . s.
从操作开始到满意暴露声门的时间为(.±0. )s; 气管插管时间(7.± .)s。