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双竖杆桁架 | |||
双柱式; 双柱架 | |||
瓜柱【建】; 桁架双柱; 双柱桅; 双柱式; 双柱桁架立杆; 双柱屋架; 双柱桁架的双柱; 双柱桁架的中部对称直腹杆; 双柱; 双竖杆 | |||
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双柱架 | |||
双柱桁架的双柱; 双柱桁架的中部对称直腹杆 |
queen- post : 46 phrases in 6 subjects |
Architecture | 5 |
Bridge construction | 3 |
Construction | 1 |
Hydroelectric power stations | 1 |
Rail transport | 1 |
Technology | 35 |