 |
poorly-graded
| sand
| poorly graded | |
| eng.geol. | 分选不好的; 分级差的 |
| sand | |
| hydroel.st. | 沙; 砂 |
| met. | 型砂; 矿砂; 尾矿 |
| soil. | 砂土 |
| |||
| 分选不好的; 分级差的 | |||
| 分选差的; 级配不良的 | |||
| poorly-graded: 16 phrases in 6 subjects |
| Bridge construction | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 3 |
| Technology | 9 |