本文对小孔消声器的结构、安装、消声效果、降低噪音原理、制作用的材料和加工,以及所需费用等方面做了较详细的介绍。并指出这种消声器具有体积小、制作加工容易、经济、消声效果好的特点,值得推广应用。 In this paper, the structure, installation, muffler effect of muffler, noise reduction principle, material and processing for fabrication, and the cost are introduced in detail. And pointed out that this muffler with small size, easy production and processing, economy, good sound-absorbing effect of the characteristics, it is worth promoting the application.