Wc Valve (OpenData)

A structure or device placed within the watercourse channel which can control the rate and volume of water passing the structure. It is spatially abstracted to a Point. Entity Type: Thing.设于河道渠槽内，可调控流经该构筑物的水流流速与水量的结构或装置。该对象在空间维度上被抽象为一个点（Point）。实体类型：事物（Thing）。