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- bridges (10)
- design and construction (8)
- load factor design (2)
- 焊接 (2)
- 钢轨 (2)
- bridges, iron and steel (1)
- composite construction (1)
- equipment and supplies (1)
- eurocodes (standards) (1)
- foundations and piers (1)
- live loads (1)
- maintenance and repair (1)
- planning (1)
- safety measures (1)
- standards (1)
- vibration (1)
- 习题 (1)
- 公路运输 (1)
- 刀具(金属切削) (1)
- 夹具 (1)
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