| 1. | Cbas central battery alarm signalling
共电式报警信号设备 |
| 2. | Central battery local switchboard
共电式市内交换机 |
| 3. | Central battery toll switchboard
共电式长途交换机 |
| 4. | Common battery telephone apparatus
共电式电话机 |
| 5. | Common battery exchange
共电制电话交换机局 |
| 6. | Central battery telephone
共电制电话机 |
| 7. | Common battery telephone
共电式电话 |
| 8. | Computer controiler ， with advanced cpu , is a patented product first made in china . the switch power appler is imposed . all functions with digital dispaly , are performed with buttons
电脑控制器是国内首创的专利产品，选用先进的cpu芯片，进口开关电源共电。所有功能均采用按键操作数码显示。 |
| 9. | In this paper , the principle of hcbk flame - proof telephone withprogram control and common - battery telephone public - address is introduced . in this phone , 8031 is used , controller and mt8880 is employed to communicate
本文介绍了集程控和共电式扩音功能于一身的hcbk系列程控防爆扩音对讲电话机的工作原理。 |
| 10. | Transmission and multiplexing - generic requirements of transport functionality of equipment - part 4 - 1 : synchronous digital hierarchy path layer functions endorsement of the english version en 300417 - 4 - 1 v 1 . 1 . 3 1999 - 05 as german stand
本标准规定对共电自动电话机技术条件gb 1493 - 79和磁石电话机技术条件gb 1494 - 79进行试验所应遵循的试验方法。 |
