1)differential altimeter,高差仪2)statoscope,高差仪<测>3)Measuring distance by height difference between meters,仪高差测距4)cathetometer,精密高差仪5)recording statoscope,自记高差仪<测>6)cathetometer,精确高差测量仪
用法和例句
In view of the demands on vertical survey in engineering construction and the existing drawbacks of measuring instruments,the authors contrived a new measuring instrument——differential altimeter.
