 |
| |||
| 开口结构 | |||
| 开式结构; 疏松结构 | |||
| 露天建筑 | |||
| 开扩结构 | |||
| 开启构造; 未闭合构造 | |||
| 松散结构 | |||
| 透水结构; 透空式结构; 透空结构; 敞开构造; 敞形结构透空结构; 敞形结构 | |||
| open structure: 35 phrases in 12 subjects |
| Compressors | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 6 |
| Plastics | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 19 |
| Textile industry | 1 |
| Wind Energy | 1 |