英文關鍵字
activity
apparatus
area
background
builder
building
city
construction
dawn
development
device
elevation
engineer
enjoy
equipment
geodesic
geodesist
geodesy
ground
industrial
industry
inspection
land
levelling
looking
man
measure
measurement
men
mountain
occupation
optical
outdoor
professional
scanning
sea
style
survey
surveyor
tool
top
town
tripod
worker
workplace