porous acoustical material多孔性: porosity; poriness; porousne ...吸: inhale; breathe in; draw音: sound材料: material隔吸音材料: damping matcrial下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:多孔性吸音材料，即可在微信中查询翻译
