| |||
| 锐边孔; 锐缘口机工 | |||
| 锐缘喷孔 | |||
| 锐缘孔口 | |||
| 锐孔板 | |||
| 锐孔流量计 | |||
| |||
| 锐缘孔口 | |||
|
sharp-edged orifice : 5 phrases in 3 subjects |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Technology | 3 |
| |||
| 锐边孔; 锐缘口机工 | |||
| 锐缘喷孔 | |||
| 锐缘孔口 | |||
| 锐孔板 | |||
| 锐孔流量计 | |||
| |||
| 锐缘孔口 | |||
|
sharp-edged orifice : 5 phrases in 3 subjects |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Technology | 3 |