转换开关装置 meaning in Chinese

changer
transfer switch unit

Fixed handles for switch gears
转换开关装置的固定手柄
Antenna switching device
天线转换开关装置
Switchgear and controlgear conduits for pressure - gas pipelines ; copper conduits
压力气体管道的转换开关装置和控制装置.铜导管
Switchgear - high - voltage air switches - rated control voltages and their ranges ; supplement
转换开关装置.高电压空气转换开关.额定控制电压及其范围：补充件
Refrigerating systems and heat pumps - safety switching devices for limiting the pressure - requirements and tests
制冷系统和热力泵.限制压力的安全转换开关装置.要求和试验

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