英文關鍵字
aluminum
aluminumwirerod
boilerscale
calx
closeup
cokedross
crustofiron
descalingbath
dross
ferrum
filmofrolledbars
furnaceclinker
incrustation
industry
iron
ironscale
manufacturing
metallicgrit
metallurgicplant
metallurgy
oxidescale
productionsector
scalehandling
scobs
scum
shruff
sinter
sludge
sprue
steel
steelindustry