A continuous positive airway pressure machine or CPAPM is warn as a face mask, and used to treat frequent episodes of interrupted breathing during sleep.
一种可以像面具一样佩戴的循环正气压仪可以用来治疗睡眠过程中频繁的呼吸暂停。
When the pumping is exhausted, we used the example to deduced the specific pressure computation of the machine seal's end face and the change condition of the seal parameter.
用实例说明泵运行出现抽空操作的端面比压计算以及密封参数的变化。
When the pumping is exhausted, we used the example to deduced the specific pressure computation of the machine seal's end face and the change condition of the seal parameter.
用实例说明泵运行出现抽空操作的端面比压计算以及密封参数的变化。
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