porous sound-absorbing material
英
美
- 多孔吸声材料
双语例句
- 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。
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