[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

化学驱蚊整理(如氯菊酯Permethrin)的防蚊裤袜通常有效洗涤次数为20-30次,之后驱蚊力显著下降;物理密织防叮咬型(针距密度高、纱线细)则不受洗涤影响但透气性较差

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