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