distance measuring equipment
测距装置
测距装备
测距设备
测距机
量距装置
量距离
量距器
high precision distance surveying
measuring precision
测量精度
测定精度
测量准确度
测湿精度
测量误差
裂纹
精度
measuring precision of angle
the highest measuring precision
time measuring precision
digital distance measuring unit
Distance measuring by laser
distance measuring method
electromagnetic distance measuring instrument
electronic distance measuring instrument
Electro-optical Distance Measuring Instrument
Laser Distance Measuring Instrument
laser distance measuring technology
microwave distance measuring instrument
Vertical Distance Measuring
admittance round measuring equipment
area measuring equipment