 |
| |||
| 截面测量; 井径测量; 剖面规 | |||
| section gauge: 10 phrases in 6 subjects |
| Bridge construction | 2 |
| Communications | 1 |
| Drilling | 1 |
| Engineering geology | 2 |
| Metallurgy | 2 |
| Technology | 2 |
|
| |||
| 截面测量; 井径测量; 剖面规 | |||
| section gauge: 10 phrases in 6 subjects |
| Bridge construction | 2 |
| Communications | 1 |
| Drilling | 1 |
| Engineering geology | 2 |
| Metallurgy | 2 |
| Technology | 2 |