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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
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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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total matrix ring
total mean curvature
total metal
total mixed ration
total moment
total monodromy group
total nitrogen analysis
total nitrogen in water
total noise level
total norm residue
total number density
total number of bacteria
total number of Escherichia coli group
total operator algebra
total order
total ordered set
total ordering
total organic carbon
total organic carbon (TOC)
total ossicular replacement prosthesis
total output
total output of services in support of agriculture, forestry, animal husbandry and fishery industries
total ozone column concentration
total payoff
total permutation
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