After it has been treated in refineries it has many different uses.经过炼油厂加工后它就有多种不同用途了.This not only abbreviates catalytic cracking equipment, but also enhances the economical effects of refineries plant.这样不仅缓和了催化装置的操作, 而...
The efforts on closedown and suspension of small sugar refineries, small saccharin refineries and small paper mills are also being carried out in steps.关停小糖厂 、 小糖精厂、小造纸厂的工作也已逐步展开.Hence the sitting of refineries is at a d...