The oil deficiency also affects the tear film. Without as much oil to seal the watery layer, the tear film evaporates much faster, leaving dry areas on the cornea.
油质不足会影响泪液膜，当没有足够的油质封住水层时，泪液膜的蒸发就会加快，从而在角膜上留下干燥部分。
3
A degassing component is composed of a composite film tube, a case and an oil resistant rubber seal ring.