英文關鍵字
aluminum
assemblage
assembling
assembly
auto
automobile
car
component
cross
customize
energy
engine
engineering
erection
fitting
gear
industrial
industry
installation
loops
machine
maintenance
mechanism
metal
metallic
modify
motor
new
overhaul
part
piston
power
professional
repair
service
steel
transportation
tuning
vehicle
white
wireframe
worker
workman