我们为伯恩选择小的，灰色的，带有滚动边缘的混凝土铺路石。
For the Berners, we chose small grey concrete pavers with tumbled edges.
水利水电工程中，混凝土面板堆石坝具有断面小、安全性好、施工方便、造价低等优点，日益受到工程界的重视。
The concrete faced rockfill dam is regarded as an important type of dam in the hydraulic construction field because of some advantages such as: small, good safety and convenience of construction.
近年来，已通过筑坝时充分压实堆石和精心设计实现混凝土面板堆石坝小变形的目的。
In recent concrete face rockfill dams (CFRDs), small deflections have been achieved by forming a well-compacted rockfill embankment and through careful design and construction of all details.
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