 |
| |||
| 集料级配; ★ 骨料级配; 骨粒等级 | |||
| |||
| 集料级配; 骨料级配 | |||
|
grading of aggregate : 4 phrases, 3 sujets |
| Construction de ponts | 1 |
| Électronique | 1 |
| Technologie | 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 phrases, 3 sujets |
| Construction de ponts | 1 |
| Électronique | 1 |
| Technologie | 2 |