Terms containing knobble

Subject	English	Chinese
met.	charcoal knobbled iron	木炭熟铁
met.	charcoal knobbled iron	木炭炉熟铁
met.	charcoal knobbled iron	木炭精炼铁
met.	knobbled iron	搅炼炉熟铁
met.	knobbled iron	搅炼炉熟铁
met.	knobbled iron	熟铁