英文關鍵字
assemble
background
car
class
closeup
construct
disassembled
dismantle
dismantled
engineer
fit
garage
gear
gearbox
green
hand
industrial
industry
instructor
introduce
introducing
isolated
machinery
man
manual
manufacture
mechanic
mechanical
mechanism
object
parts
repair
service
show
showing
teach
teacher
technician
technology
transmission
transportation
tutor
vehicle
work
working
workshop