| |||
railway subgrade; railway bed | |||
railroad bed | |||
body of railroad; railroad embankment; railway embankment |
铁路 路基 : 19 phrases in 9 subjects |
Bridge construction | 2 |
Business | 2 |
Communications | 1 |
Construction | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Rail transport | 1 |
Technology | 9 |
Textile industry | 1 |
United Nations | 1 |