It was only thirty years ago that the building industry felt confident enough to erect office blocks of steel and reinforced concrete that had more than a dozen floors.

建筑行业是从30年前才开始有信心建造超过12层楼高的钢筋混凝土结构的办公大楼。

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BRADY COX: "Then the structural engineers take that information and they use it to detail the building in terms of, is this going to be a steel structure?" Is it going to be reinforced concrete?

考克斯：“随后结构工程师利用这些信息详细罗列出建筑规划，例如应该是钢结构，还是钢筋混泥土结构？”

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Scheduled to be fully completed by 2024, the building will feature three floors supported by a steel frame and reinforced concrete.

建筑计划于2024完成，它有三层，由钢框架和钢筋混凝土支撑。

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It is sometimes used in combination with modern materials like reinforced concrete or steel for building houses and bridges.

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The two local authorities have agreed to share the costs of building and maintaining the steel-beamed bridge and its reinforced concrete deck.

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