density logging
| tool
| density logging | |
| oil од. | 密度测井 |
| tool | |
| dril. | 工 具 |
| hydroel.st. | 量具 |
| hydroel.st. од. | 工具 |
| mech. | 钻杆 |
| met. | 刃具; 刀具; 方法; 手段 |
| met. од. | 器械 |
| |||
| ★ 密度测井 | |||
|
density logging : 15 phrases in 3 subjects |
| Drilling | 2 |
| Geophysics | 9 |
| Oil / petroleum | 4 |