nodular iron pig iron  球铁生铁

Abolishing Secondary Remelting Process of Pig lron  取消二次化铁

secondary iron minerals  次生铁矿物

secondary iron tailings  二次铁尾矿

secondary-secondary glycol  二级邻二醇

acid pig iron  酸性生铁; 酸性转炉生铁

all-mine pig iron  全铁

all-mine pig-iron  原矿生铁

alloy pig iron  合金生铁

atomized pig iron powder  雾化生铁粉

basic Bessemer pig iron  白缘粗吻象鼻虫; 碱性转炉生铁

basic pig iron  硷性生铁; 碱性生铁; 托马斯生铁

bessemer pig iron  柏思麦酸性转炉生铁; 柏思麦生铁; 酸性转炉生铁

Bessemer pig-iron  柏思麦炼钢法

cast pig iron  铸造生铁

charcoal pig iron  木炭生铁

charcoal pig-iron  木炭熟铁法

chill cast pig iron  单株成穗数; 金属模生铁

cinder pig iron  含渣生铁; 炉渣生铁