短語(yǔ)詞組短語(yǔ)Backing -up lamp 倒車(chē)燈;中途換車(chē)燈backing -up p screw 防松螺釘data backing -up 數(shù)據(jù)備份Backing Up Control Files - 備份節(jié)制文件 返回 backing-up