网络释义专业释义英英释义
...地面(Positive Grading), 其坡度在六英尺长的地 面应不小于六英寸高度, 还要检查一下房檐上的排水管(Gutter)和下水管(Down Spout)是 否排水通畅, 并需检查屋顶上的油毡片是否有掉落, 松动, 如发现应及早修理。
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柯林斯英汉双解大词典
downspout /ˈdaʊnˌspaʊt/
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1.
N-COUNT A downspout is a pipe attached to the side of a building, through which rainwater flows from the roof into a drain. 排水管 [美国英语]
例：He installed rain gutters and downspouts.
他安装了雨水槽和排水管。
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