| 单词 | Pupin coil |
| 释义 | Definition of Pupin coil in English:Pupin coilnoun Telephony
OriginEarly 20th century; earliest use found in Scientific Abstracts. Definition of Pupin coil in US English:Pupin coilnoun Telephony
OriginEarly 20th century; earliest use found in Scientific Abstracts. |
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