A Complete Collection of 100000 Whys
Fav十万个为什么
为什么拖把用久了会有异味？
简单的摘要：拖把用久了会有异味的原因主要是细菌滋生、污垢积累以及水分滞留。
1、细菌滋生：拖把在使用过程中会接触地面上的各种污垢和细菌，这些细菌在拖把的纤维中繁殖并产生异味。
2、污垢积累：拖把纤维容易积累灰尘、皮屑、食物残渣等污垢，这些污垢在潮湿环境下会腐败变质，产生异味。
3、水分滞留：拖把清洗后如果没有彻底晾干，纤维中残留的水分会为细菌和霉菌的生长提供有利条件，导致异味产生。
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