grade stabilization
| structure
| grade stabilization | |
| bridg.constr. | 坡度稳定 |
| 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 |
| |||
| 坡度稳定 | |||
| 边坡加固; 纵坡稳定 | |||
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grade stabilization : 1 phrase in 1 subject |
| Technology | 1 |