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| 弓弦式桁架 | |||
| 弧形桁架; 抛物线形桁架; 拋物线形桁架; 弓形桁架; 弓弦桁架 | |||
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| 弓弦桁式屋架; 组合桁架 | |||
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bowstring truss : 13 phrases in 2 subjects |
| Architecture | 2 |
| Technology | 11 |
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