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效率等级 额定风量m3/h 初阻力Pa
610×610×25 G4 3000 ≤40
595×595×25 G4 2800 ≤40
495×495×25 G4 1800 ≤40
595×287×25 G4 1200 ≤40
495×287×25 G4 1000 ≤40
610×610×46 G4 3500 ≤40
595×595×46 G4 3200 ≤40
495×495×46 G4 2200 ≤40
595×287×46 G4 1600 ≤40
495×287×46 G4 1300 ≤40