隧道型公共设施的声环境，可以使用大量具有高吸声系数的吸声构造，铺设于隧道拱壁及轨道铺面，以降低混响时间及噪声。
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.
隧道型公共设施的声环境，可以使用大量具有高吸声系数的吸声构造，铺设于隧道拱壁及轨道铺面，以降低混响时间及噪声。
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.
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