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研究了泡沫铝材料的制备工艺 ,对两种结构的泡沫铝消声器消声性能的测试结果表明 ,泡沫铝在消除空气动力噪声方面有优越的性能
The preparation technology of foamed aluminum was studied. The test results on the muffling performance of two structural aluminum foam mufflers showed that aluminum foam has superior performance in eliminating aerodynamic noise