?酸性电弧炉

... acid electric arc furnace 酸性电弧炉 Heroult electric arc furnace 海洛式电弧炉 ; 埃鲁电弧炉 direct electric arc furnace 直接加热电弧炉 ...

?酸性土

... 耐酸青铜 acid dip 酸性土 acid electric arc furnace 酸性电弧炉 acid electric furnace ...