河底: river bottom保护: protect; defend; guard; safe ...肋骨 板底保护件。: ribbones地上贮罐罐底保护: protection for above ground storage河底: river bottom◇河底土壤 river bottom soil炉底保温段: hearth soaking zone知情底保: offer guarantee with full knowledge of all the facts河底的: bentho potamous; benthopotamous; subfluvial河底河: hedi he河底性: bentho-potamous不平整河底: irregular bottom河底比降: bottom grade河底波痕: bottom ripple河底沉积: river bottom sediment河底冲刷: bed scour河底的沙坡: megaripple河底地形: bottom contour河底高程: river bed elevation河底高和: bed level河底滚沙: saltation河底环流: circulating bottom current河底回溜: bottom roller河底控制: river bottom control河底泥沙: debris bed load河底坡度: bed slope
