| |||
bridge opening; aperture of bridge; span; bridge aperture | |||
bridge hole |
桥孔 : 62 phrases in 9 subjects |
Bridge construction | 21 |
Construction | 1 |
General | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Rail transport | 3 |
Technology | 30 |
Telecommunications | 1 |