 |
| |||
| 硬基; 整体道床; 坚硬层; 定床 | |||
| 实心刀床 | |||
| solid bed: 15 phrases in 6 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Oil processing plants | 1 |
| Technology | 7 |
|
| |||
| 硬基; 整体道床; 坚硬层; 定床 | |||
| 实心刀床 | |||
| solid bed: 15 phrases in 6 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Oil processing plants | 1 |
| Technology | 7 |