diàn jiàn
意思解释：（Telegraph key）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。
使电路开合或改变线路的装置。1913年白鹏飞译《工业常识》附录第二:“键盘(Key):键或电键，用以掌微弱断续之电流之器具也。”1949年张以棣《航空趣味·无人飞机的秘密》:“我们在机上用无线电通知舰上的电报员，嘱咐他把电键按下…
Make circuit leaves to close or change the unit of circuit. Did Baipeng fly 1913 interpret industrial common sense appendix the 2nd: Sunken Key): of of horsefly Ke noes Ji of Di of of children's hair of Si of of of idle of Pu ⑷ Ju is ill! 949 year Zhang Yidi aviation gout · the secret of unmanned aircraft : Is unplugging cheek steals joke to disrelish dream Gan to knock at ⑸ of Bin ㄖ ㄔ of male damask silk acute hearing grand of of Ke of example of of billow of the gum that protect
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