機器
environmental
aeration
aerator
alternative
appliance
battery
cell
charger
clean
conservation
eco
ecology
electric
electrical
electricity
energy
engine
environment
equipment
generation
generator
industrial
industry
machinery
module
oxygen
panel
plant
pollution
power
propeller
pump
sewage
sludge
solar
sun
supply
surface
system
technology
treat
treatment
turbine
utility
vane
voltage
waste
wastewater
water
定額
Oxygen generation surface aerator machinery in sludge wastewater working moving windmill system for treatment water use power from solar cell panel for made electricity in Pimonratch canal at Thailandの素材 [FY310194077522]
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