《水利工程测量》精品课程 ●●●●● ●●●● ●●0 ●●● ●●●● 渠道选线测量 Measuring ditches 口中线测量 Measuring midline 纵断面测量 Measuring vertical section 横断面测量 Measuring transect 口土方计算 Calculating earthwork 渠道边坡放样 XI'An University of Technology中线测量 Measuring midline 纵断面测量Measuring vertical section    横断面测量Measuring transect  土方计算Calculating earthwork  渠道选线测量Measuring ditches  渠道边坡放样