英文關鍵字
broken
check
checking
close
closeup
control
dealer
diagnostics
dismantle
electric
expertise
guts
hoverboard
industrial
insides
inspection
inwards
job
machine
maintenance
manufacture
manufacturing
mechanic
mechanical
mending
mini
occupation
parts
performance
presentation
problem
profession
repair
repairing
segway
service
shop
spinning
station
technique
technology
tools
transport
transportation
twowheeled
up
vehicle
wheel
work