dull bit
| grading
| dull bit | |
| archit. | 钝钻头 |
| dril. | 磨钝的钻头 |
| oil | 钝钻头; 旧钻头; 磨钝钻头 |
| grading | |
| hydroel.st. | 级配; 土地平整 |
| labor.org. | 区分规格 |
| met. | 分级; 粒度; 土方修整 |
| qual.cont. | 归类 |
| supercond. | 分级技术 |
| tech. | 分级 |
| textile | 纸样的放缩 |
| |||
| 钝钻头杆头 | |||
| 磨钝的钻头 | |||
| 钝钻头; 旧钻头; 磨钝钻头 | |||
| 钝钎头 | |||
|
dull bit : 10 phrases in 3 subjects |
| Drilling | 4 |
| Oil / petroleum | 4 |
| Technology | 2 |