过量摄入或缺乏卤族元素，都可能导致疾病的发生。
Excessive absorption or lack of halogen group elements could result in disease.
萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
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