improved soil
| structure
| improved soil | |
| eng.geol. | 改善土; 改良土 |
| 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 |
| |||
| 改善土; 改良土 | |||
|
improved soil : 6 phrases in 3 subjects |
| Agriculture | 1 |
| Engineering geology | 2 |
| Technology | 3 |