| 1. | Danger signals for work places - auditory danger signals 工作场所的险情信号险情听觉信号 |
| 2. | A red lamp is often a danger signal 红灯常常是危险的信号。 |
| 3. | Ergonomics - system of danger and non - danger signals with sound and light 人类工效学险情和非险情声光信号体系 |
| 4. | Ergonomics - visual danger signals - general requirements , disign and testing 人类工效学险情视觉信号一般要求设计和检验 |
| 5. | Ergonomics - danger signals for public and work areas - auditory dangersig nals 人类工效学.公共和工作场所险情信号.险情听觉信号 |
| 6. | Ergonomics - danger signals for public and work areas - auditory danger signals 人类工效学.公共和工作场所险情信号.险情听觉信号 |
| 7. | Safety of machinery - visual danger signals - general requirements , design and testing 机械的安全性.视觉损害信号.一般要求,设计和试验 |
| 8. | Safety of machinery - auditory danger signals - general requirements , design and testing 机械的安全性.危险声信号的一般要求设计和试验 |
| 9. | Safety of machinery . visual danger signals . general requirements , design and testing 机械的安全性.可视的危险警报信号.一般要求设计和试验 |
| 10. | As we are all acutely aware , danger signals concerning the state of our public finances have been flashing 相信大家都知道,本港的公共财政正亮起红灯。 |