The bridge crosses the river in a single span.

河上那座桥是单跨桥.

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So I took the board a one - way , and single span beam.

于是我取了一块 单向 板, 和单跨梁.

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The of a single - span bridge with integral abutments is simple when the bridge has no skew.

斜交桥是其中心轴线与支承线斜交的桥梁.

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Though it is now an elderly structure, it is still the world's largest single - span bridge.

虽然这座大桥已经算是座古老建筑, 但它仍然是目前世界上最大的单拱桥.

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