skos:altLabel | - Burr
- Burr Arch Truss
- Burr truss
- Burr arch truss
- Burr Arch
- Burr Arch truss
- Burr Arch truss single-span bridge
- Burr arch
- Burr arch bridge
- Burr arch through truss
- Burr arch truss bridge
- Burr arch-truss
- Burr-arch truss
- Double Burr Arch
- Double Burr arch truss bridge
- Single Burr arch
- Strength of Burr-Arch Trusses
- \"Long\" Burr Arch Truss
- burr arch-truss
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