switchboad
常见例句
- common-battery telephone switchboad
共电制电话交换机 - switchboad metal-clad switchboad
铠装配电盘 - private branch exchange switchboad
小交换机 - central battery local switchboad
共电式市内交换机 - wired logic coutrolled switchboad
布控交换机 - traffic control telephone main switchboad
调度电话总机 返回 switchboad