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阵列式消声器
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阵列式消声器
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阵列式消声器
释
arrayed absorber silencer
阵列式消声器
在流通管道上设置多行多列、断面形状为正多边形(以正方形为典型,图1)、填充了多孔吸声材料的平直吸声体。
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projective structure
projective subcone
projective subspace
projective surface
projective symplectic group
projective system
projective system of topological groups
projective technique
projective tensor
projective test
projective theorem
projective theory of surfaces
projective topology
projective torsion
projective torsion tensor
projective tower
projective transfer
projective transformation
projective transformation group
projective unitary group
projective variety
projective vector
projective zero
projectivity
projectivity condition
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