| |||
| 离子表面活性剂 | |||
| 离子型表面活性剂 | |||
| |||
| 离子型表面活性剂 | |||
|
ionic surface-active agent : 5 phrases in 4 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Leather | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| |||
| 离子表面活性剂 | |||
| 离子型表面活性剂 | |||
| |||
| 离子型表面活性剂 | |||
|
ionic surface-active agent : 5 phrases in 4 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Leather | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |