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古代浮运架梁技术
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古代浮运架梁技术
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理学
古代浮运架梁技术
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floating girder erection technology
古代浮运架梁技术
利用皮筏、竹筏或船舶将建桥材料运送到桥位,同时利用河流水深、流速、潮汐等方式,将结构主梁架设到既有桥墩位置处的方法。
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mineral associations
mineral base
mineral binding material
mineral chemical composition
mineral classification
mineral classification machinery
mineral cleavage plane
mineral composition analysis
mineral composition of rock
mineral composition processing
mineral comprehensive inspection
mineral content
mineral crude drug
mineral crystal defects
mineral crystal lattice defect
mineral crystal lattice dislocation
mineral crystal lattice dislocation density
mineral crystal size
mineral crystal structure
mineral deposit
mineral deposit by weathering
mineral deposit drainage
mineral deposit geology
mineral deposit microorganisms
Mineral Deposits
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