从油中分离石蜡的过程，首先进行冷冻(帮助生成石蜡晶体)，然后用板框式压滤机在压力下进行过滤。
The process of separating wax from oil by first chilling (to help form wax crystals) and then filtering under pressure in a plate and frame press.
但石蜡分子能在较小的范围内保持着短程有序排列，并且具有晶体学中所谓的类质同晶的特性。
However, paraffin wax molecules could keep shortrange regular arrangement and possess the properties of so-called isomorphism in crystallography.
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