porous sound-absorbing material

• 多孔吸声材料

porous sound-absorbing material的用法和样例：

例句

1. A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber.
   摘要以高强石膏为胶凝材料，内掺玻璃纤维，制备出一种新型多孔吸声材料。