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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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Geochemical gas survey
geochemical grade of soil environment
geochemical grade of soil nutrient
geochemical landscape
geochemical logging instrument
geochemical map
geochemical maps
geochemical methods
Geochemical model
geochemical modeling software
geochemical open system
geochemical paramter
geochemical process
geochemical prospecting for oil and gas
geochemical prospecting prognosis
geochemical prospecting techniques
geochemical province
geochemical rock survey
geochemical sample analysis
geochemical samples analysis quality monitoring system
geochemical sampling system
geochemical soil survey
geochemical stream sedimentsurvey
geochemical system
geochemistry
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