| |||
supercapital | |||
abutment | |||
arch abutment | |||
skewback | |||
impost | |||
chaptrel; springing block; super-capital | |||
| |||
impost |
拱基 : 27 phrases in 7 subjects |
Architecture | 2 |
Bridge construction | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Hydroelectric power stations | 2 |
Technology | 19 |