chemical sampling
| technique
| chemical sampling | |
| oil | 化学取样 |
| technique | |
| exhib. | 技法 |
| gymn. | 手法; 操作法 |
| hydroel.st. | 技能; 工艺; 工程 |
| manag. | 方法论 |
| met. | 方法 |
| sport. | 技巧 |
| tech. | 技术 |
| |||
| 化学取样 | |||
|
chemical sampling : 4 phrases in 4 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nautical | 1 |
| Technology | 1 |