| 1. | It gives an audible warning signal to alert the caretaker when pressed
按动时发出鸣声使管理员察觉 |
| 2. | Audible warning system
音响警告系统 |
| 3. | Audible warning device
音响警报装置 |
| 4. | Acoustics - stationary audible warning devices used outdoors - field measurements for determination of sound emission quantities
声学.室外用的固定音响警报装置.确定声音发射量的现场测量 |
| 5. | Acoustics - stationary audible warning devices used outdoors - part 1 : field measurements for determination of sound emission quantities
声学户外用固定式听觉报警器第1部分：声发射量的现场测定 |
| 6. | Earth - moving machinery - machine - mounted forward and reverse audible warning alarm - sound test method and performance criteria
运土机械.机械安装的前方和背面可听见的警报.声音试验方法和性能标准 |
| 7. | Refrain from using any audible warning device to ward off pedestrians unless there is a genuine danger
任何人不得在道路上使用车辆上任何发声警报设备，除非是为向在道路上或附近的任何人发出危险警报。 |
| 8. | Sonic lock easily attaches directly to a carrying case or notebook computer , discouraging thiees with an audible warning
你可以将声波警报锁直接挂在你的本本或本本包上,由于它能够发出声讯警告信号以至于使盗贼非常头痛 |
| 9. | Sonic lock easily attaches directly to a carrying case or notebook computer , discouraging thieves with an audible warning
你可以将声波警报锁直接挂在你的本本或本本包上,由于它能够发出声讯警告信号以至于使盗贼非常头痛 |
