电键
diàn jiàn
- keyset;key;manipulator;telegraph key;telegraph button
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电键
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[key;telegraph button] 电报局设备中用以快速而容易地接通和断开回路的金属杠杆
电键[diàn jiàn]
[key;telegraph button] 电报局设备中用以快速而容易地接通和断开回路的金属杠杆