The aerodynamical noise of vacuum couch roll is the major noise source of paper machine.
真空伏辊空气动力性噪声是造纸机的主噪声源。
The key point of reducing noise of paper machine is to reduce aerodynamic noise of vacuum couch.
降低真空伏辊空气动力性噪声是降低抄纸机噪声的关键。
We design the laboratorial device of vacuum couch roll and base on the experimental research, we put forward some solution to reduce aerodynamical noise of vacuum couch roll.
本文设计了真空伏辊实验模拟装置，并在其基础上通过实验研究，提出降低真空伏辊空气动力性噪声的方法。
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