carrier telephone terminal 中文意思是什麼
carrier telephone terminal
解釋
載波電話終端機-
Carrier telephone terminal
載波電話終端機 -
Specification for 12 - channel telephone carrier terminal equipment used on the symmetric pains of 2. 6 9. 5mm coaxial cable
2 . 6 9 . 5mm綜合中同軸電纜高頻四芯組或高頻線對12路載波電話終端設備技術條件
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