单词	玷瀆
释义	玷瀆 diàn dú猶玷污，玷辱。
随便看	back-up power backup power automatic switch backup power automatic switching backup power indicator backup power source backup power supply backup power switchover unit backup privilege backup probability backup procedure back up procedure back-up procedure back-up process backup processor backup program back up program back-up program backup programmer back-up programmer backup protection back up protection back-up protection backup protection equipment backup protection of transformer back-up protection relaying