couch roll decker 刮刀式浓缩机 ; 压辊式浓缩机
couch roll jaciket 伏辊毡套
vacuum couch roll 真空伏辊 ; 假空起辊
couch roll accouterer 压辊式稀释机
couch roll jacker 休辊毡套
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。
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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