共电

共电 [gòng diàn]

1. ■ common-battery

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常用词组

1. ■ 共电电话机 common battery telephone set;

2. ■ 共电（中央）电池组 common battery;

3. ■ 共电电话交换机 common battery telephone switchboard;

4. ■ 共电电话局 common battery office;

5. ■ 共电电源 central battery supply