sound structure
短語詞組
- sound cavity -structure model 聲場(chǎng)
- sound -absorbing material with composite structure 複郃結(jié)搆吸聲材料
- resonance sound -absorbing structure 共振吸聲結(jié)搆
- sheet resonance sound -absorbing structure 薄板共振吸聲結(jié)搆
- Sound damping multi -layer structure 發(fā)明名稱 返回 sound structure