乙缩醛一种无色，易燃，易挥发的液体CH3CH (OC2H5) 2，用于化妆品和溶剂。
A colorless, flammable, volatile liquid, CH3CH (OC2H5) 2, used in cosmetics and as a solvent.
主要用于将放置在密封容器内易挥发的液体缓慢抽吸并扩散到外面空间，特别适合驱蚊液、香水、清新剂的慢扩散之用。
It is placed inside sealed container to suck volatile liquid, such as mosquito repellent liquid, perfume and freshener, slowly for outward diffusion.
所以液体中不容易挥发的物质含量更多。
So the liquid is rich in the less volatile of the components.
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