| |||
| 集料级配; ★ 骨料级配; 骨粒等级 | |||
| |||
| 集料级配; 骨料级配 | |||
|
grading of aggregate : 4 do fraz, 3 tematyki |
| Budowa mostu | 1 |
| Elektronika | 1 |
| Technika i technologia | 2 |
| |||
| 集料级配; ★ 骨料级配; 骨粒等级 | |||
| |||
| 集料级配; 骨料级配 | |||
|
grading of aggregate : 4 do fraz, 3 tematyki |
| Budowa mostu | 1 |
| Elektronika | 1 |
| Technika i technologia | 2 |