铁石心肠
as hard as the nether millstone; be hardhearted
铁石心肠的
ironhearted
铜皮石棉垫
copper-asbestos gasket
瓦楞石棉水泥板
corrugated asbestos cement sheet
碎铁
bushelling
隧道铸铁圈
tunnel casting ring
羧高铁血红素
hematin
踏阶连接角铁
foot step fastening angle
钛磁铁矿
titanic magnetite
钛酸亚铁
ferrous titanate
钛铁
ferro-titanium
钛铁合金
ferro-titanium
钛铁矿
ilmenite; iserite; mohsite; titanic iron ore
钛铁砂
iserite
钽铁矿
tantalite
碳化铁
cementite
iron carbide
碳化铁体
cementite
碳混铁
carburite
碳酸氢亚铁
ferrous bicarbonate
碳酸铁
ferric carbonate
iron carbonate