| |||
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 |