A special dispensation may be obtained from the domestic union concerned.从国内相关的工会那儿或许能得到一项特许。They were promised dispensation from military service.他们得到许诺，可以免服兵役。She needed a special dispensation to remarry.她需要得到特许才能再婚。...
探讨了稀土化合物用作环保汽油抗爆剂的可能性.Capabilities using rare earth compounds as environmentally friendly gasoline antiknocks were explored.介绍了MMT抗爆剂在中国石油锦西石化公司的使用情况.The article introduces the application status of MMT antiknock additiv...