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| conmutador telefónico de abonado | |||
| centralita privada conectada a la red pública | |||
| 英语 词库 | |||
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| PBX | |||
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| A telephone exchange that is owned by a private business, as opposed to one owned by a common carrier or by a telephone company | |||
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| PBX (Nebenstellenanlage); PBX (Telephony) | |||
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| PBX | |||
| PBX (telephone) | |||
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| PBX (Private Branch Exchange) | |||
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Private Branch Exchanges : 11 短语, 3 学科 |
| 数据处理 | 1 |
| 电话 | 3 |
| 通讯 | 7 |