视准线法观测水平位移 Observing level displacement in directrix way 波带板激光衍射法观测水平位移 Observing level displacement in laser and diffraction 引张线发光测水平位移 Observing level displacement in light of down-lead 前方交会法测水平位移 Observing level displacement in the way of focusing 挠度测法 概述 summarize
施工控制网的布设 Disposal of construction and controlling 距离、水平角和高程的放样 Space,level angel and height 测设放样点平面位置的基本方法 The basic methods of measuring locations of dots 圆曲线的测设 Measuring round curves