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方钻杆
| 旋塞
| 方钻杆 | |
| dril. | grief stem; grief kelly; kelly rod; grief joint |
| met. | kelly bar; kelly stem; square kelly pipe |
| oil | kelly; square kelly |
| 旋塞 | |
| wind. | cock |
| |||
| grief stem; grief kelly; kelly rod; grief joint | |||
| kelly bar; kelly stem; square kelly pipe | |||
| kelly; square kelly | |||
| kelly joint; square shaft; torque bar; torque rod | |||
|
方钻杆 : 118 phrases in 9 subjects |
| Architecture | 2 |
| Drilling | 52 |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Navigation | 2 |
| Oil / petroleum | 29 |
| Technology | 26 |
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