Mobility to other petroleum or chemical processing plants is possible, but may be limited by the usual practice of training and promoting workers from within the establishment.
可能调动到其他石油或化学处理工厂，但可能会受到部门内员工培训和晋升的一般惯例的限制。
2
The main method of separation used in refineries is fractional distillation although further processing is normally required to produce marketable petroleum products.
分离石油主要采用的方法就是分馏，然后通过深加工才能得到可以销售的石油产品。
3
RFS-C SOx transfer promoter, developed by Research Institute ofPetroleumProcessing, was successfully manufactured in the Catalyst Plant of Changling Petrochemical Company.