[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

清洗宠物饮水机内部窄管道(内径通常8-15mm)需专用长杆细毛刷,刷头直径应比管径小1-2mm,刷杆长度≥40cm才能触及水泵底部死角

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