fire safety systems
| code
| fire safety system | |
| nautic. tech. | 消防安全系统 |
| code | |
| gen. | 为...编码 |
| el. | 规则 |
| hydroel.st. | 编码; 标准 |
| hydroel.st. од. | 法规 |
| met. | 码; 电码; 符号; 标记; 规则 |
| |||
| 消防安全系统 | |||
| 防火安全系统 | |||
|
fire safety systems : 9 phrases in 4 subjects |
| China | 1 |
| Nautical | 3 |
| Technology | 4 |
| United Nations | 1 |