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单词 θ65636
释义
the world > physical sensation > hearing and noise > inaudibility > sound-proofing or conditioning > [noun] > noise-reducing devices (2)
baffle1928

= baffler, n. Also, any shielding device or structure, in many technical uses (see quots.); spec. an acoustic screen.

acoustic hood1940

a sound-absorbent cover, usually used to reduce the noise from a machine or appliance.

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更新时间:2024/11/10 22:48:57