機器
abstract
abstraction
brazing
brilliant
cd
circle
closeup
collection
cover
curve
design
discs
disks
drives
dvd
forging
hard
hotspot
information
iron
line
lines
many
media
metal
metallic
ovals
round
shadow
solder
soldering
spring
stamping
steel
steel wire
storage
stripes
technology
tin
treatment
wheels
winding
wire
wrap
zinc