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porous acoustic material 多孔吸声材料
porous acoustic absorption material 多孔性声吸收材料
Acoustic Material Acoustic material is any material considered in terms of its acoustic properties, especially its properties of absorbing or deadening sound. 声音材料声音材料,特指有吸音或隔音特性的材料。
Ecadi propose to have acoustical material under each VAV unit, O OK. 建议在所有的变风量（VAV）机组下都安置隔音材料，O同意。
Development for high efficiency acoustic material 高效吸声材料的研制
native English acoustic material 原声英文材料
The underwater acoustic properties of polyurethanes were introduced. The recent research progress of underwater acoustic materials of polyurethanes was reviewed. 介绍了聚氨酯材料的水声特性,并重点评述了聚氨酯水声吸声材料、水声透声材料和水声反声材料的研究进展。
The beautiful sound acoustical engineering devotes to the architectural acoustics space design, provides the acoustic material the installment construction Specialized company. 玉音声学工程致力于建筑声学空间设计，并提供声学材料和安装施工的专业公司。
In hot weather clothes made of a porous material like cotton are best. 热天穿棉布之类有渗透性的材料做的衣服最为适宜。
In hot weather cloths made of a porous material like cotton are best. 热天穿棉布之类有渗透性的材料制成的衣服最为适宜。
The material is flawed throughout. 这种材料到处是裂缝。
Any of several tough, porous leather substitutes. 通气性强的塑料几种粗糙的多孔的皮革代用品
He added sand to the soil to make it more porous. 他往土里掺了些沙子以提高渗水性能。
To use ceramisite in acoustic material for underground tunnel 利用陶粒制备地铁吸音材料
The beautiful sound acoustical engineering devotes to the architectural acoustics space design， and provides the acoustic material and the installment construction Specialized company. 玉音声学致力于建筑声学环境设计，并提供声学材料和安装施工的专业公司。
The beautiful sound acoustical engineering devotes to the architectural acoustics space design, and provides the acoustic material and the installment construction Specialized company. 玉音声学工程致力于建筑声学空间设计，并提供声学材料和安装施工的专业公司。
He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
Porous and malleable material with several uses. 多孔渗水的可塑造物质,有多种用途。