calcium remover

例句：

1. 1.The calcium remover is effective in removing hard water build-up.
   这种钙去除剂能有效去除硬水垢。
2. 2.The calcium remover was used to treat the patient's arthritis.
   钙去除剂被用来治疗患者的关节炎。
3. 3. The calcium remover can be purchased at many health food stores.
   钙去除剂可以在许多健康食品店购买到。