Wc Weir (OpenData)

A low dam built across a river to raise the level of water upstream or regulate its flow. It is spatially abstracted to a Point. Entity Type: Thing.一种跨河修建的低矮水坝，用于抬高上游水位或调节河道水流。该实体在空间上抽象为点（Point），实体类型为事物（Thing）。