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(日本公开特许昭62-28435) 这种建筑吸声材料由表面涂覆了多孔聚合物的有机纤维纱或无机纤维纱组成的织物组成。例如,建筑吸声材料可以由表面涂覆了多
(Japanese Laid-Open Patent Publication No. Sho 62-28435) This building sound-absorbing material is composed of a fabric composed of an organic fiber yarn or an inorganic fiber yarn coated with a porous polymer on the surface. For example, building sound-absorbing materials can be coated with more