英文: replace...with...
中文: 用...代替...英文: Replace Component...
中文: 替换元件...英文: Check detector seals, and replace as necessary. Clean or replace detector jets as necessary.
中文: 检查检测器密封垫,如有必要就替换。如有必要清洗或替换检测器喷嘴。英文: But what should replace it?
中文: 但是,用什么来替代呢?英文: Teaching machines can replace teachers.
中文: 教学仪器,可以代替教师.