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These have very good acoustic insulation which will help cut out external sounds.
这些具有非常好的隔音效果,能够帮助隔离外界的声音.
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Description : Nuova TEMAS Srl ---- Exhaust system's components: stainless steel alloy components and thermo - acoustic insulation materials.
排气系统部件不锈钢合金部件和隔热隔音材料.
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