sound-absorbent

常见例句

• 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。
• The emphasis is to study the sound absorption properties of gradient polyurethanes at different temperatures and pressures.
  研究了梯度聚氨酯在不同温度和压力下的水声吸声性能。
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