multiple span | |
bridg.constr. | 多跨 |
tech. | 多跨度的 |
arch culvert | |
agric. | 拱形暗渠涵洞 |
bridg.constr. од. | 拱涵 |
hydroel.st. | 拱形涵洞 |
tech. | 券涵; 拱涵 |
| |||
多跨 | |||
多跨度的 | |||
| |||
多跨度的 |
multiple-span : 22 phrases in 4 subjects |
Architecture | 2 |
Bridge construction | 8 |
Rail transport | 1 |
Technology | 11 |