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微穿孔板吸声体
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微穿孔板吸声体
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微穿孔板吸声体
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micro-perforated panel sound absorber
微穿孔板吸声体
将穿有小孔的薄板四周密闭地安装在刚性壁面前,穿孔板与壁面之间留有一定深度的空腔而形成的吸收声能、降低声音的构件。
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water body algae online monitor
waterbody-biomanipulation
water body environmental quality monitoring
water body pollution
water-borne coating
water-borne communicable diseases
waterborne emergency response
waterborne endemic disease
waterborne safety surpervision
water-borne traffic
water branch
water buffalo
Water bursting with the method of analysis
water caloric test
water caltrop
water capacity
water cellar
water-cement ratio
water channel
water charge
water chemistry analytical method
water Cherenkov neutrino telescope
water Cherenkov telescope
water chestnut
water circulation
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