 |
| |||
| scavenging conduit; scavenging duet; blow pipe; blowing pipe | |||
| 吹扫管: 11 phrases in 5 subjects |
| Electronics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Technology | 4 |
| Water resources | 1 |
|
| |||
| scavenging conduit; scavenging duet; blow pipe; blowing pipe | |||
| 吹扫管: 11 phrases in 5 subjects |
| Electronics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Technology | 4 |
| Water resources | 1 |