According to the survey of the electrostatic field accidents, railroad tank trai n accidents take up the first.It is important to study the electrostatic field w h en loading oil.

• 据统计,在国内较大的石油静电事故中，铁路油罐车装油事故占首位，因而对油罐车装油过程中的静电研究显得特别重要。