double type acoustic barrier的意思|示意

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双层隔音屏障


double type acoustic barrier的网络常见释义

环保型隔音墙 ...环保型隔音墙; 混合型隔音隔离墙; 复式隔音隔离墙 [gap=595]Key words:artistic acoustic barrier; ecological acoustic barrier; environmental acoustic barrier; composite type acoustic barrier; double type acoustic barrier ..