 |
| |||
| sand column | |||
| sand pile | |||
| sand-pile | |||
| compaction pile (普通砂井); sand piling; sand drain | |||
| |||
| sand compaction pile; sand pile | |||
| 砂桩: 35 phrases in 8 subjects |
| Bridge construction | 4 |
| Business | 1 |
| Desert science | 1 |
| Ecology | 1 |
| Engineering geology | 5 |
| Hydroelectric power stations | 4 |
| Nautical | 1 |
| Technology | 18 |