油底壳（英文名称为：Oil Pan）位于引擎下部：可拆装，并将曲轴箱密封做为贮油槽的外壳。油底壳是曲轴箱的下半部，又称为下曲轴箱。
是发动机油底壳或湿干油底壳？
介绍了对发动机油底壳进行噪声预测的两种方法。
This paper described two methods on how to predict the radiated noise of engine oil pan.
并以某发动机油底壳为例，把截面分析结果与三维分析结果、实验结果进行对比，验证了截面分析技术的可行性和高效性。
With an oil pan used in car as an example, the result of section analysis is compared with the results of 3D analysis and experiment. The feasibility and efficiency of the section…
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