| |||
plums | |||
masonry-stone |
圬 工 石 : 172 phrases in 10 subjects |
Agriculture | 1 |
Architecture | 20 |
Bridge construction | 26 |
Construction | 2 |
Engineering geology | 3 |
General | 1 |
Hydroelectric power stations | 9 |
Metallurgy | 1 |
Project management | 1 |
Technology | 108 |