 |
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| 井干式构造; 圆木结构; 原木结构 | |||
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log construction : 7 phrases in 4 subjects |
| Architecture | 1 |
| Hydroelectric power stations | 1 |
| Hydrology | 1 |
| Technology | 4 |
|
| |||
| 井干式构造; 圆木结构; 原木结构 | |||
|
log construction : 7 phrases in 4 subjects |
| Architecture | 1 |
| Hydroelectric power stations | 1 |
| Hydrology | 1 |
| Technology | 4 |