The paper chooses the appropriate muffler, and experiments with the capability of sound absorption material, and designs the dustproof project.
本文通过选择合适的消声器以及吸声材料实验和防尘方案的设计。
The major noise control techniques are conduit sound insulation and absorption and setting up a muffler etc.
其主要控制技术有管道隔声和吸声、安装消声器等。
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