... 军备转让 arms transfer 设备转换开关 device switching unit; device-switching unit 备用设备转接电键 stand-by equipment key ...
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device switching unit 设备转换开关
device switching unitdevice-switching unit 设备转换开关
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An electric switching unit provided with said device is also disclosed.
本发明还公开了一种设置有所述装置的电开关单元。
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