機器
3d rendering
alloy
backgrounds
bobbin
brass
brown
bunch
bundle
circle
construction
copper
cylinder
factory
foil
galvanized
industrial
industry
isolated
leaf
manufacture
material
metal
metallic
nonferrous
pattern
plate
production
products
roll
rough
round
seamless
sheet
sheets
shiny
stainless
steel
storage
store
storehouse
stove
technology
texture
white
wire