短語詞組短語sound intensity reflection coefficient 聲強(qiáng)反射系數(shù)sound energy reflection coefficient 聲能反射系數(shù)sound d reflection coefficient 聲反射系數(shù)sound power reflection coefficient 聲功率反射系數(shù)sound -reflection coefficient 翻譯;聲音反射系數(shù)英語sound pressure reflection coefficient 聲壓反射系數(shù) 返回 sound reflection coefficient