硬水烧开后的碳酸钙吧，在北京时水壶底部有5mm厚都没事，各家都是

来源: chinomango 于 2019-07-28 16:46:11 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.