| 1. | Please clean the telephone set including the dial 请将电话机清理一下,包括拨号盘。 |
| 2. | This factory put out 5 , 000 telephone sets last year 这家工厂去年生产了5 , 000台电话机。 |
| 3. | The specification and test methods for conference telephone set 会议电话分机技术要求及测试方法 |
| 4. | The specifications of automatic telephone set 自动电话机技术条件 |
| 5. | The specifications for coin box telephone set 投币电话机技术条件 |
| 6. | Sound powered telephone sets in ships 船用声力电话机 |
| 7. | Verification regulation of electro - acoustical measuring instrument for telephone sets 电话电声测试仪检定规程 |
| 8. | Test procedures for telephone sets 电话机检验规程 |
| 9. | Method for measuring transmission performance of handsfree telephone sets 无需用手的电话机组传输特性的测量方法 |
| 10. | Standard method for measuring transmission performance of handsfree telephone sets 免提电话通话性能测量的标准方法 |