英文關鍵字
automatic
brush
carpet
clean
cleaning
cleanup
definition
device
dish
dry
engine
engineering
equipment
fetlock
industrial
jet
line
machine
men
metal
metallic
motion
movement
nobody
nozzle
orifice
outfit
picking
purge
rug
scrubbing
sink
spirt
spurt
technics
technology
wash
washer
water
worker