bit type
| selection
| bit type | |
| busin. | 位型 |
| dril. | 钻头型号 |
| tech. | 钻头类型 |
| selection | |
| avia. | 转换 |
| desert. | 选食 |
| genet. | 选育 |
| hydroel.st. | 挑选 |
| hydroel.st. од. | 选择 |
| space | 选择; 选定 |
| sport. | 代表队; 选拔 |
| |||
| 位型 | |||
| 钻头型号 | |||
| 钻头类型 | |||
| |||
| 位型 | |||
|
bit type : 65 phrases in 7 subjects |
| Cryptography | 1 |
| Drilling | 12 |
| Engineering geology | 8 |
| Information technology | 2 |
| Oil / petroleum | 10 |
| Technology | 31 |
| Telecommunications | 1 |