Sharp-crested weir 薄壁堰 ; [水利] 锐缘堰
sharp-crested 尖口
Weir sharp crested 锐缘堰
sharp crested weir 锐顶堰
rectangle sharp-crested weir 矩形薄壁堰
rectangular sharp crested weir 矩形薄壁堰
Sharp-crested ridges are separated by wide, low valleys in this region.
锋利的山脊被当地宽而浅的山谷分割开。
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