| 1. | Volume controllers are useful in public address systems
公共广播系统的音量控制器很有用。 |
| 2. | Automated telephone listing address system
自动电话列表地址系统。 |
| 3. | Public address system with zone control
公共广播系统包括区域控制 |
| 4. | I hear they ' re announcing my flight over the public address system
我听到扩音器在播我的班机信息了。 |
| 5. | I hear they are announcing my flight over the public address system
我听到扩音器在播我的班机信息了。 |
| 6. | Acoustic feedback is a common phenomenon in public addressing systems
声反馈,是扩声系统中的一种常见现象。 |
| 7. | Centralized address system
集中处理地址资料的系统 |
| 8. | Public - fire alarm address system
火警广播系统 |
| 9. | Pas : public address system
公共广播音响系统 |
| 10. | Address system , one - over - one
一超一地址制 |
