downhole tools
| senior
| operator
| downhole tool | |
| dril. | 下井工具 |
| Senior ... | |
| IMF. | 资深 |
| senior | |
| avia. | 高等的 |
| busin. | 主要的 |
| interntl.trade. | 优先的 |
| manag. | 有优先权的; 上级 |
| speed.skat. | 青年组; 19 岁及以上组 |
| operator | |
| commer. | 从业者 |
| met. | 操作工; 操纵手 |
| sport. med. | 操作员 |
| sport. med. од. | 操纵基因 |
| tech. | 操作者 |
| transp. | 一艘船的经营者; 经营者 |
| |||
| 下井工具 | |||
| 测井下井仪; 井下工具 | |||
|
downhole tools : 15 phrases in 5 subjects |
| Drilling | 3 |
| Earth sciences | 1 |
| Mining | 1 |
| Oil / petroleum | 6 |
| Technology | 4 |