【摘要】 通过对某654拖拉机驾驶室噪声源的测试与分析，确定了影响驾驶室噪声的主要噪声源。在此基础上提出了降低该拖拉机驾驶室内噪声的建议，并进行了模拟降噪试验。更多还原

【Abstract】 Through measuring and analyzing the noise in the cab of a model 654 tractor, the main noise sources of the tractor are ascertained. Some measures to reduce the noise within the cab are suggested on the base of the noise reducing test.更多还原