off-bottom
| setting tool
| off bottom | |
| dril. | 离开井底; 未接触井底; 井底之上 |
| off-bottom | |
| dril. | 钻头离开井底 |
| energ.ind. | 全部熔化 |
| met. | 全部熔化 |
| setting tool | |
| auto. | 调整 工具 |
| dril. | 定位器; 固定工具 |
| oil | 坐放工具; 坐封工具 |
| |||
| 钻头离开井底 | |||
| 全部熔化 | |||
| 离开炉底全部熔化 | |||
| 近离孔底; 全部溶化 | |||
| |||
| 钻头离开井底; 未接触井底; 井底之上 | |||
|
off-bottom : 30 phrases in 10 subjects |
| Drilling | 8 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Fishery fishing industry | 1 |
| Labor organization | 1 |
| Nautical | 1 |
| Oil / petroleum | 11 |
| Project management | 1 |
| Public security | 1 |
| Technology | 4 |