The resulting calcium hydroxide reacts with carbon dioxide in the air, starting a process called autogenous healing, where microscopic calcium carbonate crystals form and gradually fill the gap.
生成的氢氧化钙与空气中的二氧化碳发生反应,开始一个称为自生愈合的过程,在此过程中会形成微小的碳酸钙晶体并逐渐填充间隙。