主桁 | |
bridg.constr. | main truss |
中心 距离 | |
tech. | centre distance |
中心距离 | |
busin. | centre distance |
shipb. | center distance |
| |||
main truss | |||
| |||
main truss |
主桁: 16 phrases in 6 subjects |
Architecture | 1 |
Aviation | 1 |
Bridge construction | 7 |
General | 1 |
Oil / petroleum | 1 |
Technology | 5 |