hazard classification
| code
| hazard classification abbr. | |
| tech. | 易燃等级; 公害等级; 火灾等级; 危险分类 |
| code abbr. | |
| 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 |
| |||
| 易燃等级; 公害等级; 火灾等级; 危险分类 | |||
|
hazard classification : 10 phrases in 3 subjects |
| Aviation | 1 |
| Technology | 8 |
| United Nations | 1 |