| 释义 |
sound absorbtion
基本例句
吸声
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。
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。 |