| 1. | Keep in visual signalling touch .
保持在看得见信号的距离中。 |
| 2. | Audible and or visual signaling appliances for fire alert
火灾声和或光警报器 |
| 3. | Audio and visual signals of the emergency alarm system
视听警号两部份的紧急警报系统 |
| 4. | Development of a new mine audible and visual signal device
新型矿用电子声光信号装置的研制 |
| 5. | She still has her hood on blocking all the visual signals
她还有遮光罩阻断所有视觉讯号。 |
| 6. | If a whistle is not available , use the visual signal alone
如果无口哨的话，只使用可视信号。 |
| 7. | Surface colors for visual signalling
视觉信号表面色 |
| 8. | Visual signaling appliances - private mode emergency and general signaling
可视信号发送装置.专用应急和通用信号发送 |
| 9. | Visual signalling appliances - private mode emergency and general utility signalling
可视信号装置.专用型应急信号和通用信号 |
| 10. | Standard practice for visual signals between persons on the ground and in aircraft during ground emergencies
地面发生紧急情况时地勤人员与飞行器中人员之间可视信号的标准规范 |
