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Therefore the porous sound-absorbing properties of metal materials is receiving increasing attention.
因此多孔金属材料的吸声性能越来越受到人们的关注。
youdao
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Therefore the porous sound-absorbing properties of metal materials is receiving increasing attention.
因此多孔金属材料的吸声性能越来越受到人们的关注。
youdao