structure system
| transform
| structure system | |
| bridg.constr. | 结构体系 |
| transform | |
| gen. | 变 |
| hydroel.st. | 改造; 变换; 转换; 换算 |
| manag. | 变化; 变形; 改革; 使变态 |
| |||
| 结构体系 | |||
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structure system : 79 phrases in 24 subjects |