GPS精密高差测量
GPS leveling of precise height difference
高精度压差测量仪
the high - precision pressure difference test meter
快速精确测量
fast accurate measurement
准确测量仪表
accurate measuring instrument
齿轮整体误差测量仪
gear integrated error tester
微压差测量仪
slight pressure difference measurement system
像差测量仪
Aberration measuring instrument
压差测量仪
pressure difference test meter
锥齿轮整体误差测量仪
bevel gear integrated error tester
电容式空气含量测量仪
capacitance air void meter