[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

潜水泵防水好但维修需捞出且线缆老化易漏电,管道泵检修方便但需做防水防潮;潮湿环境安装的地面泵防护等级至少IP44,室外或可能积水处应IP55以上

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85%
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Long-term
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