The designations A,B,C,D and E grades of cargo refer to the().

A . degrees of quality of petroleum products B . flash point range and Reid vapor pressure index of petroleum products C . grades of crude oil D . pour point,color,and viscosity index of petroleum product

时间:2022-10-17 21:17:32 所属题库:液体散装危险品与IBC规则题库

相似题目