逆流式冷却塔的噪声治理_暖通空调在线 关键词：逆流式冷却塔,噪声治理,消声器,隔声裙, [gap=378]Keywords：counterflow cooling tower,noise control,muffler,sound insulation barrier,
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About the sound insulation effect, PC board is internationally recognized as the first selection of highway noise barrier material, it can even 40 decibels of sound insulation.
关于隔音作用来说，PC板是国际上公认的高速公路隔音屏障的首选资料，它乃至能够绝缘40分贝的音响。
The middle layer (EPE) shows strong ability in moisture barrier, oxygen reduction and sound insulation.
中间层EPE有很强的防潮、阻氧、隔音、降噪功能；
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