sediment control
| structure
| sediment control | |
| hydroel.st. | 泥沙防治; 泥沙控制 |
| structure | |
| gymn. | 编排; 成套动作 |
| hydroel.st. | 结构物; 建筑物 |
| hydroel.st. од. | 结构; 构造; 装置 |
| met. | 机构 |
| met. од. | 组织 |
| |||
| 泥沙防治; 泥沙控制 | |||
| 沙防; 防沙 | |||
|
sediment control : 12 phrases in 5 subjects |
| Desert science | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 3 |
| Nautical | 1 |
| Technology | 6 |