The process of artificially fluoridating municipal water has been a long-standing public health practice in many communities ...

该地热水适宜作为理疗、保健、采暖、温室用水，水中含有丰富的偏硅酸（H2SiO3）、锶（Sr2+）、锂（Li+）、硫化氢等多种有益元素。 矿区距名城 ...