来自MSN3 个月
DPR for Sambalpur Municipal Corporation's storm water drainage project in January
SAMBALPUR: With completion of the differential global positioning system (DGPS) survey and ward-level consultation for the preparation of stormwater drainage system master plan for the city ...
Indiatimes15 天
Drone-based land survey to commence by month-end in Coimbatore
"The survey will use modern land-surveying equipment, including the Electronic Total Station (ETS) and the Differential Global Positioning System (DGPS), to ensure accuracy. It will take six ...