mechanical measurement
... 机械和电气用钢纸：mechanical and electrical fibre 机械法测量：mechanical measurement 机械法(制浆)：mechanical process ...
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采用声压测量法对柴油机进行了整机噪声的测量，通过试验研究成功分离了发动机的燃烧噪声、机械噪声及进气噪声。
The diesel engine's noise is measured by using the acoustic pressure method. It separates successfully the engine's combustion noise, mechanical noise and inlet noise in test.
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