工程建设中,要求具有一定坡度的建筑物较多,尤其是水利工程,如水库的迎水坡和背水坡;排水渠道的纵坡和边坡;溢洪道、输水洞的纵坡等。对于这些工程的定位放样和检查验收,需要依靠检测仪器来完成。一般的中、小型工地,特别是农村工地,由于缺少检 In the construction of the project, more buildings with certain slopes are required, especially the water conservancy projects such as the upstream slope and back slope of the reservoir; the longitudinal slope and slope of the drainage channel; the longitudinal slope of the spillway and the water conveyance tunnel. For the positioning and inspection and acceptance of these projects, they need to rely on testing equipment to complete. General medium- and small-scale construction sites, especially in rural areas, due to lack of inspection