英文關鍵字
above
aeration
aerial
aerification
ascend
building
cleaning
copter
day
drone
ecology
facilities
factory
fly
gopro
industrial
industry
kuryanovo
kuryanovskaya
moscow
motion
municipal
outdoor
outside
pechatniky
people
plant
purification
purifying
quadcopter
quadrocopter
reservoir
round
russia
sedimentation
sewage
station
sump
sunny
tank
technology
territory
top
topview
treatment
waste
wastewater
water
wwtp
zone