 |
| |||
| dust-free | |||
| ash-free; deashed; dustless | |||
| ashless | |||
| 无 灰 的: 17 phrases in 7 subjects |
| Automobiles | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| General | 1 |
| Geology | 1 |
| Hydroelectric power stations | 1 |
| Technology | 10 |
|
| |||
| dust-free | |||
| ash-free; deashed; dustless | |||
| ashless | |||
| 无 灰 的: 17 phrases in 7 subjects |
| Automobiles | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| General | 1 |
| Geology | 1 |
| Hydroelectric power stations | 1 |
| Technology | 10 |