 |
| |||
| bull rod; mule skinner's delight; skinner's macaroni | |||
| 小钻杆: 10 phrases in 5 subjects |
| Drilling | 4 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Mechanics | 2 |
| Technology | 2 |
|
| |||
| bull rod; mule skinner's delight; skinner's macaroni | |||
| 小钻杆: 10 phrases in 5 subjects |
| Drilling | 4 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Mechanics | 2 |
| Technology | 2 |