最重要的是，空气-空调环境提供了透气性差，有时甚至可能引起的气味，这让你感到头晕，一种奇怪的病。
Most important, the air - conditioned environment provides poor ventilation, and sometimes may even give rise to a strange kind of smell, which makes you feel dizzy and sick.
并利用自行组装的测试设备研究了柔性石墨板密度、厚度以及空气压力差对相对透气系数的影响。
We also assemble a set of permeability testing equipment, by which we study on the effect of density, thickness and air pressure on the relative permeability.
它是覆盖着尼龙织物透气，让空气流通，并与一个额外的舒适小头垫供应。
It is covered in a breathable Nylon fabric to allow air flow, and is supplied with a small head cushion for extra comfort.
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