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1·The present invention relates to an air compressor, especially to a multifunction silencer of an air compressor.

本发明涉及一种空气压缩机，特别是一种空气压缩机用多功能消声器。

2·After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.

采用白噪声信号作为标准声源的输入信号，在常温无气流条件下对消声器实物模型进行了静态放声试验。