flush coupled
| type
| drill string
| flush coupled | |
| tech. | 外平连接的 |
| type | |
| gen. | 类; 打字 |
| gen. од. | 型 |
| dat.proc. | 键入 |
| hydroel.st. | 类型; 种类; 式样 |
| manag. | 样板; 样式 |
| math. | 类型，序型 |
| drill string | |
| dril. | 钻杆串 |
| eng.geol. | 钻管; 钻杆; 钻杆柱; 钻具组 |
| oil | 钻柱 |
| |||
| 平接的 | |||
| |||
| 外平连接的 (钻杆) | |||
|
flush coupled : 8 phrases in 3 subjects |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |