There will be melted into liquidparaffin after brushing the rockery, the effect is significant.
也有将石蜡化成液体后涂刷塑石假山的，效果也显著。
2
These curves and datas are of great use to compositions and function of petroleum ether and liquidparaffin, this analytical method is based on TBP distillation of coal liquefied oil.
High purity heavy liquidparaffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.