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| 爱克尔-约旦电路 | |||
| 触发线路; 爱克尔-约旦电路 (задержанного мультивибратора); 触发电路 (задержанного мультивибратора) | |||
| схема опрокидывания: 3 phrases in 1 subject |
| Radio | 3 |
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