downspouts
n.
水落管( downspout的名词复数 );
例句:
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He installed rain gutters and downspouts.
他安装了雨水檐沟和排水管。
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Steel gutters are foreseen for rain water collection , with PVC downspouts for rain water drainage.
雨水集水采用钢质排水沟, 排水采用PVC落水管.
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Rooftops, gutters, and downspouts can capture and direct rainfall and protect buildings from water damage.
屋顶, 水槽和落水管能够捕捉和直接降雨量和维护水损坏的建筑物.