earth carrier 中文意思是什麼
earth carrier
解釋
運土筐-
Domestic satellite communication earth stations - gereral technical requirements - part 4 : television frequency modulation carrier channel
國內衛星通信地球站總技術要求第4部分:電視調頻載波通道 -
Distribution automation using distriubution line carrier systems - mains signalling requirements - mv phase to earth and screen to earth coupling devices
配電線路載波系統配電自動化.主要信令要求. mv相位到地面和網屏到地面的侵入式耦合裝置
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