Emergency ventilation of an uncuffed tube can be effected by ensuring the inner tube is in place and attaching the manual rebreathing or resuscitation bag.
通过确保内置软管正确放置并借助重建呼吸手册或复苏包无袖套管在急救通气中才能起效。
Manual or control level controlled switching and ventilation adjustment, enabling easy operation.
手动或操纵杆控制开启开启关闭及调节通风量，操作简便；
Objective To develop an automatic device for ventilation and gas exchange in hyperbaric oxygen chamber in order to avoid of the defects in manual operation.
目的研究高压氧舱的自动通风换气系统，解决手动控制的各种弊端。
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