英文關鍵字
apparatus
area
builder
builders
calculating
caucasian
controller
conversation
correction
device
engineer
engineering
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exact
examination
geodesic
geodetic
inspector
levelling
location
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measure
men
morning
optical
outdoor
person
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sky
smartantenna
style
sun
sunlight
survey
surveying
technique
technology
topographic
white
work
worker
workers
workplace
writing