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单词
common battery
释义
common battery
common battery
[
¦käm·ən ¦bäd·ə·rē
]
(communications)
System of current supply where all direct current energy for a unit of a telephone system is supplied by one source in a central office or exchange.
Acronyms
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chessbase
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更新时间:2025/9/21 13:09:03