機器
abstract
architect
background
blue
blueprint
cad
car
carbide
concept
construct
construction
contour
design
details
diagram
draw
drawing
electric
electrical
electromagnetic
engine
engineer
engineering
gear
grid
grungy
illustration
industrial
line
machinery
mechanic
mechanical
mechanism
motor
outline
paper
part
pattern
plan
print
project
ship
sketch
spaceship
structure
technic
technical
technology