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隔音 通过放置吸音的墙壁和天花板材料减少或消除房间的回响。 géyīn
environ.	zvuková izolácia
隔音 通过在外面报上绝缘物质以阻止声音传播的过程。 géyīn
environ.	akustická izolácia

隔音: 3 phrases in 1 subject

Environment

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