 |
| |||
| 粗细集料比; 粗细骨料比; 石砂比 | |||
| |||
| 石砂比; 粗细骨料比 | |||
| coarse-to- fine aggregate ratio: 5 phrases in 3 subjects |
| Bridge construction | 3 |
| Hydroelectric power stations | 1 |
| Technology | 1 |
|
| |||
| 粗细集料比; 粗细骨料比; 石砂比 | |||
| |||
| 石砂比; 粗细骨料比 | |||
| coarse-to- fine aggregate ratio: 5 phrases in 3 subjects |
| Bridge construction | 3 |
| Hydroelectric power stations | 1 |
| Technology | 1 |