[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

管道长度超过2米或含2个以上弯头时,应选混流式或离心式风机而非轴流式。轴流风机静压低(通常<30Pa),长管道下实际风量衰减50%以上,混流/离心风机静压可达80-150Pa,能克服管道阻力

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