protection factor | |
el. | 防护因数; 防护因子 |
protective device | |
auto. | 安全设备 |
avia. | 防护措施 |
CNC | 安全装置 |
dermat. | 防护性装置 |
met. | 保护装置 |
space | 防护装备 |
sport. | 保护性装置 |
tech. | 防护设备 |
| |||
防护因数【核】; 防护因子 |
protection factors of a protective device : 6 phrases in 6 subjects |
Air defense | 1 |
Desert science | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 1 |
Information technology | 1 |
Space | 1 |