A battery powered portable human body carrying electronic human breath filtration device is an electronic nose mask and is the most ideal alternative to conventional filter paper type nose mask.
一种以电池为动力的轻便式人体电子呼吸过滤装置是一个电子鼻罩而且是取代传统过滤纸型鼻罩的最理想的替代物。
A battery powered portable human body carrying electronic human breath filtration device is an electronic nose mask and is the most ideal alternative to conventional filter paper type nose mask.
一种以电池为动力的轻便式人体电子呼吸过滤装置是一个电子鼻罩而且是取代传统过滤纸型鼻罩的最理想的替代物。
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