其主要特点是通过调控装置可使吸气时供氧，呼气时暂停供氧，故使氧的利用率高达98%以上。
Its character is that through the adjustable valve controlled by inspiration and expiration, it offers and halts oxygen supply. The utilization rate of oxygen is over 98%.
其主要特点是通过调控装置可使吸气时供氧，呼气时暂停供氧，故使氧的利用率高达98%以上。
Its character is that through the adjustable valve controlled by inspiration and expiration, it offers and halts oxygen supply. The utilization rate of oxygen is over 98%.
应用推荐