ammonia synthesis
| loop
| ammonia synthesis | |
| compr. | 氨合成法 |
| oil | 氨合成 |
| loop | |
| cast.iron. | 木炭熟铁炉铁坯 |
| cloth. qual.cont. | 环结 |
| econ. | 回环 |
| hydroel.st. | 回线 |
| hydroel.st. од. | 回路 |
| math. од. | 循环 |
| progr. | 闭圈 |
| roll. | 活套轧制生产的轧材; 活套轧制 |
| roll. од. | 活套 |
| |||
| 氨合成法 | |||
| 氨合成 | |||
| 氨合成 (法); 氨的合成 | |||
|
ammonia synthesis : 17 phrases in 5 subjects |
| Chemistry | 9 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Technology | 2 |