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护底固槽工程
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护底固槽工程
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护底固槽工程
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river channel strengthening engineering
护底固槽工程
为防止河床下切侵蚀,缓和河床比降,采用木桩、砌石、混凝土块体等材料在河床上修建的挡水建筑工程。又称阶梯-深潭结构。
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pure recurring decimal
pure red cell aplasia
pure red samite with flowers and birds design
pure risk
Pure Semantics
pure semigroup
pure set
pure set theory
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pure shear deformation
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pure spinor formalism
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pure theory school of law
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