榫接合: 100 phrase in 14 subjects |
Architecture | 5 |
Automobiles | 2 |
Aviation | 1 |
Bridge construction | 3 |
Business | 1 |
Chemistry | 1 |
Construction | 2 |
Economy | 1 |
General | 5 |
Hydroelectric power stations | 6 |
Metallurgy | 3 |
Plastics | 1 |
Technology | 67 |
Wood processing | 2 |