porous sound absorbing material
常見(jiàn)例句
- Centrifugal glass cotton belongs to the porous sound-absorbing material, have good sound-absorbing performance.
離心玻璃棉屬於多孔吸聲材料，具有良好的吸聲性能。 - The buffering and sound-absorbing member attenuates entered sound waves by the squares (22) and absorbs sounds by the porous material (4).
該緩沖吸音部件通過(guò)該分格（22）使侵入的音波衰減，竝通過(guò)該多孔質(zhì)材（4）進(jìn)行吸音。
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