ready reference
| tool
| ready reference | |
| libr. | 快速咨询; 现存参考资料 |
| 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 |
| |||
| 快速咨询; 现存参考资料 | |||
| 现成参考资料 | |||
|
ready reference : 15 phrases in 3 subjects |
| Economics | 1 |
| International trade | 1 |
| Librarianship | 13 |