短語(yǔ)詞組短語(yǔ)sound d intensity level 聲強(qiáng)級(jí)sound intensity level meter 聲強(qiáng)計(jì)normal sound intensity level 法向聲強(qiáng)級(jí)normal sound intensity level Lrn 法向聲強(qiáng)級(jí)normal sound intensity level L 法向聲強(qiáng)級(jí)level sound intensity 聲強(qiáng)位準(zhǔn)intensity level sound 聲力級(jí) 返回 sound intensity level