Fluorosis is more common than arsenic poisoning because high-fluorine coal is combined with high-fluorine clay to make briquettes.
Fluorosis is more common than arsenic poisoning because high-fluorine coal is combined with high-fluorine clay to make briquettes.
氟中毒的病例比砷中毒更常见，因为含氟量高的煤与含氟量高的黏土混合，再制成煤饼、煤砖。