减震器有天花减震器和墙面减震器两种，是用于吊顶隔音的必要构件
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减震器有天花减震器和墙面减震器两种，减震器是用于吊顶隔音的必要构件#河南隔音材料厂家 #郑州隔音材料厂家 #减震器 #减震器厂家联系方式
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