| |||
block stone pavement | |||
block pavement | |||
pavement of stone block | |||
block road; pavement of stone blocks | |||
| |||
block-stone pavement |
块石 路面 : 37 phrases in 8 subjects |
Architecture | 2 |
Automobiles | 3 |
Bridge construction | 1 |
Electronics | 1 |
Engineering geology | 2 |
General | 2 |
Hydroelectric power stations | 2 |
Technology | 24 |