首页 > Term: three-hinged arch
three-hinged arch
An arch hinged at its abutments and at its crown with the advantage that each half can sink in relation to the other without damaging the arch.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)