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runway beam; rail beam | |||
beam-and-rail | |||
track beam |
轨 梁 : 64 phrases in 8 subjects |
Bridge construction | 8 |
General | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 18 |
Nuclear and fusion power | 1 |
Rail transport | 1 |
Steel production | 2 |
Technology | 31 |