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寻求专业人士 风机专业术语(英语)翻译*As corrected for point of operation (location on fan curve)**Unsilenced Inlet and Outlet power ratings are 3 dB lower than total fan power levels under the assumption that "half" of the sound powercan be attributed to each opening. Silenced power ratings include this 3 dB reduction as well as the silencer attenuation.
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只看楼主 我来说两句排烟或者兼用排烟的,选用HTF系列风机
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他们有个小邢,让她给你送个风机的样本
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