exhalation valve
常见例句
- Objective To find out the reason of "dithering" of exhalation valve plate in pressure oxygen mask under high overpressure condition.
前言： 目的找出加压供氧面罩呼气活门的活门板在高余压状态下发生“抖动”的原因。 - The nose exhalation gastric tube indwelling method could wide the opening angle of nasal valve area and efficiently judge the opening to increase the success rate of the indwelling gastric tube.
呼气法能增大鼻瓣区开口角度并有效判断开口位置，提高置管成功率。 返回 exhalation valve