機器
alloy
bar
blast
casting
continuous
conveyor
cooling
equipment
factory
flame
foundry
furnace
heat
heavy
high temperature
hot
industrial
industry
ingot
iron
line
machinery
manufacture
manufacturing
material
melt
metal
metallurgy
mill
molten
orange
process
production
profile
red
roll
rolled
rollers
rolling
shaft
sheet
slab
smelting
spark
stand
steel
stove
water
workshop