列举了目前国内修补坑槽的几种方法,阐述了各自的优缺点,及其修补工艺和适用条件,从而为养护单位修补坑槽提供了保障和依据。 In this paper, several methods of repairing pit in our country are listed, and their respective advantages and disadvantages, their repairing techniques and applicable conditions are expounded, which provides the guarantee and basis for the maintenance unit to repair the pit.