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杯体变得浑浊不透明就得换。为了健康,喝水要选对水杯,玻璃杯是大多数人的选择。但由于玻璃长期受水的侵蚀,其中的硅酸钠与空气中的二氧化碳反应会生成白色的碳酸结晶,令杯体污浊、不透亮,长期不更换容易损害健康。建议玻璃杯的“服役期”不要超过1年,平时可用碱性洗涤剂洗除白色结晶,或每周用煮沸的热水消毒10分钟。
The cup becomes opaque and has to change. To be healthy, water should be chosen on the glass, the glass is the choice of most people. However, due to long-term erosion of glass by water, sodium silicate and carbon dioxide in the air will produce white carbonated crystals, making the cup dirty, not transparent, long-term replacement is not easy to damage health. Recommended glass “service period ” not more than 1 year, usually alkaline detergent can be used to remove white crystals, or weekly disinfection with boiling water for 10 minutes.