directional bit
| side force
| component
| directional bit | |
| oil | 定向钻头 |
| side force | |
| met. | 侧向力 |
| oil | 横向力 |
| tech. | 侧 力 |
| component | |
| gen. | 组件 |
| el. | 部件，元件 |
| el.mach. | 元器件 |
| el.mach. од. | 元件 |
| hydroel.st. од. | 部件 |
| math. | 分量; 坐标 |
| sport. | 组成的; 构成的 |
| sport. од. | 零件 |
| |||
| 定向钻头 | |||
|
directional bit : 5 phrases in 2 subjects |
| Drilling | 2 |
| Oil / petroleum | 3 |