英文關鍵字
action
blast
bright
cast
casting
device
energy
environmental
factories
factory
fire
flame
flat
flow
foundry
frame
furnace
heat
heavy
high
hot
industrial
industry
intensive
iron
manufacturing
measurement
media
melting
metal
metallurgy
mill
molten
organization
plant
plants
pouring
process
production
red
roll
smelting
smoke
spark
steel
storage
stove
technology
thermal
yellow