You need to check the level of the sanitizer, and remedy this as required - if the level is too low, then be sure to raise the level.

• 随着建筑业和建筑装饰业的迅猛拓展，木质门在建筑行业的应用备受青睐，并且随着人民生活水平的提高和追求生活质量的理念不断深入，使得木质门在家庭居室装饰中的比重越来越大。