non-supporting
| retaining structure
| non-supporting | |
| tech. | 不负担的; 不支撑的; 无支承的 |
| retaining structure | |
| el. | 挡水结构 |
| geotech. | 挡土构筑物 |
| hydroel.st. | 挡土结构; 挡土建筑物; 挡水结构 |
| |||
| 不负担的; 不支撑的; 无支承的 | |||
|
non-supporting : 7 phrases in 4 subjects |
| Automobiles | 1 |
| Business | 1 |
| Engineering geology | 2 |
| Technology | 3 |