twisting vibration
| of
| drill string
| twist vibration abbr. | |
| compr. | 扭振 |
| of abbr. | |
| gen. | 的; …的; 关于 …的; …做成 的; 对…; … 的 |
| drill string abbr. | |
| dril. | 钻杆串 |
| eng.geol. | 钻管; 钻杆; 钻杆柱; 钻具组 |
| oil | 钻柱 |
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| 扭振 | |||
| |||
| 扭转振动 | |||
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twisting vibration : 3 phrases in 3 subjects |
| Electricity | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 1 |