firedamp
| testing
| firedamp | |
| bridg.constr. | 沼气 |
| chem. | 密封防火墙 |
| el. sec.sys. од. | 瓦斯 |
| mineral. од. | 矿井瓦斯 |
| testing | |
| econ. | 检测 |
| fin. | 试査 |
| hydroel.st. | 检验; 试验; 检定 |
| met. | 研究; 测定 |
| mining. | 试油 |
| oil | 试井 |
| racing | 试车 |
| |||
| 沼气 | |||
| 密封防火墙采矿 | |||
| ★ 瓦斯 | |||
| ★ 矿井瓦斯 | |||
| 甲烷; 爆炸气体; 密封防火墙 | |||
|
firedamp : 52 phrases in 5 subjects |
| Energy industry | 15 |
| Mineralogy | 2 |
| Mining | 2 |
| Shipbuilding | 1 |
| Technology | 32 |