英文關鍵字
actuated
apparatus
clutch
coupling
device
electric
electrical
electromotor
electronics
electrotechnics
electrotechnology
energy
engine
engineering
enterprise
equipment
factory
fan
fluid
flywheel
gear
generating
gyrationhd
hd
hdv
英文關鍵字
actuated
apparatus
clutch
coupling
device
electric
electrical
electromotor
electronics
electrotechnics
electrotechnology
energy
engine
engineering
enterprise
equipment
factory
fan
fluid
flywheel
gear
generating
gyrationhd
hd
hdv