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| 11. | This paper introduces the global stiffness,strength and stability of bracing structure with long span |
| 本文介绍了大跨度支撑结构的整体刚度、强度和稳定性，控制支撑的挠度和弹性变量可使拱圈符合设计压力线与拱轴线，保证桥梁结构的稳定性。 |
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| 12. | Count backwards 20,15,10,5, With practice, your breath span will naturally increase. |
| 以五的倍数呼吸.吸气并默数5、10、15、20、25,吐气且倒数25、20、15、10、5。多练习,你呼及吸的时间将慢慢变长。 |
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| 13. | support scaffold was employed for construction of Danhe River Super Major Bridge, a stone arch bridge with |
| 晋焦高速公路丹河特大桥为主跨146m的石拱桥，该桥在施工中采用钢、木结合的支撑拱架。 |
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| 14. | concrete deck is also economical for triple-span cable-stayed suspension bridges, but only for those with |
| 里奥哈特认为,组合混凝梁土对于三跨距的悬索拉桥来说也是十分经济的,不过仅限于中心跨度为700米以内的拉桥。 |
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| 15. | application extensive small-scale coaxial person who join that whorl join, it has a reliable characteristic with |
| SMA系列产品是一种应用广泛的小型螺纹连接的同轴连接器，它具有频带宽、性能优、高可靠、寿命长的特点。 |
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