钛磁铁矿
titanic magnetite
钛铁矿
ilmenite; iserite; mohsite; titanic iron ore
碳酸铁矿泉
iron carbonate spring
碳质黄铁矿
coal pyrite
锑钛铁矿
derbylite
铁矿泉
iron spring
铁矿石
iron ore
铜磁黄铁矿
chalcopyrrhotite
钽
Ta; tantalum
钽TA
tantalum
钽锰矿
manganotantalite
钽铌矿
tantalum-niobium ores
钽酸
tantalic acid
钽钛铀矿
djalmaite
碳化钽
tantalum carbide
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
钛酸亚铁
ferrous titanate