栅栏,挡板: 一种建造物, 例如篱笆, 用来禁止通行.Barrier : a structure, such as a fence, built to bar passage.未经主管机关核准而擅行施工之水利建造物,主管机关得令其更改或拆除.The authority - in - charge order of renovation or demolition of any project construction works wit...