Hurt and actuality of noise from gas-vat, s vent-pipe are explained in this paper, Further analyzed necessary condition that attenuated noise.
Hurt and actuality of noise from gas-vat, s vent-pipe are explained in this paper, Further analyzed necessary condition that attenuated noise.
摘要论述了噪声对人体的危害及我厂电解车间噪声的现状，分析了我厂电解车间降低噪声的必要性。