Ceramic pipes, conduits, guttering and pipe fittings.
套管、导管、槽管及管子附件。
Rainwater collected in guttering around the flat roof of each block is directed out into a pond in the grounds.
每块屋顶的排水系统收集到的雨水定向地流入一个池塘。
Smaller ones in local stone with traditional guttering that collects rainwater would be a better bet, Mr Hebel reckons.
荷伯先生评价说，利用当地石头建立的小一点的楼房，设有传统的排水系统，能够集中雨水，这是个不错的选择。
Smaller ones in local stone with traditional guttering that collects rainwater would be a better bet, Mr Hebel reckons.
荷伯先生评价说，利用当地石头建立的小一点的楼房，设有传统的排水系统，能够集中雨水，这是个不错的选择。
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