sound-absorbent

常見例句

• A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber.
  摘要以高強石膏爲(wèi)膠凝材料，內(nèi)摻玻璃纖維，制備出一種新型多孔吸聲材料。
• 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溫度和壓力下的水聲吸聲性能。
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