海岩声学19150176576 135天前 成都
新材料发泡陶瓷声学性能测试中#混响时间测试# 材料的吸声系能#材料的降噪系数测试# 混响实验室建设#消音室建设，Acoustic performance testing of new material foam ceramics# Reverberation time test#The sound absorption system of the material# Noise reduction coefficient test of materials ...全文