Unverified85% confidenceDecision RuleTime unknown
开孔尺寸与排风扇不匹配是安装失败主因:先量现有管道/预留孔内径,管道扇常见Φ100/Φ150,购买前确认叶轮外径比开孔小10-15mm留安装余量
1
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85%
Confidence
Long-term
Relevance
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