Surveyor performing geodetic control of trench using gnss receiver during underground cable line installation in construction site 免版税库存图片 surveyor performing geodetic control of trench using gnss receiver during underground cable line installation in construction site
乌日霍罗德2020年12月9日 : 测量师在市中心的petefi广场上测量该测量师所需的测量值 免版税库存图片 乌日霍罗德2020年12月9日 : 测量师在市中心的petefi广场上测量该测量师所需的测量值
June tbilisi georgia specialist conducting geodetic work using total station mounted on tripod for measuring angles and a the 免版税库存照片 june tbilisi georgia specialist conducting geodetic work using total station mounted on tripod for measuring angles and a the
登录 
