AC static switch 交流静态开关AC switch 交流转换开关auxiliary heater switch 辅助加热器开关auxiliary switch 辅助开关auxiliary switchgear 厂用配电装置band switch 波段选择器; 波段转换开关band switching 波段变换band-switching 频段转换bank switching 存储库开关bank-and-wiper switch 触排和接帚开关; 触排及弧刷转接器; 双动选择器barometric pressure switch 气压继电器barometric switch 气压开关barrel switch 筒形开关; 鼓形开关basic switching term 基本转换项bat-handle switch 铰链式开关; 棒球柄开关; 手柄开关battery charging switch 充电转换开关battery reverse switch 电池转向电闸battery switch 电池转换开
