... capillary tube sealant 释义：毛细管封口器 seal mask 释义：密封口鼻罩 seal ring 释义：密封圈,密封环,封口圈 ...
双语例句
1
The gas mask is characterized in that the gas mask can cover and seal the head and face of an operator without affecting normal operation, so that the operator can not be eroded by harmful substance.
And moreover, the ventilation mask has better sealing performance as it matches the throat better. So it can provide higher airway seal pressure for positive airway pressure ventilation.
而且通气罩与咽喉部解剖更匹配，密封性更好，可为正压通气提供更好的气道密封压。
3
Place rescuer's mouth or CPR pocket mask over client's mouth, forming an airtight seal.