1) couch roll
伏辊
2) vacuum couch
真空伏辊
1.
Study result of this paper reveals that the main source of noise in papermaking plant is from vacuum couch.
真空伏辊产生的噪声是造纸车间的主要噪声源。
2.
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 。
3) top couch (roll),upper couch (roll)
上伏辊
4) bottom couch (roll),lower couch (roll)
下伏辊
5) cylinder couch
圆网伏辊
6) air remvoing roll
（伏辊上方）小压辊
参考词条
补充资料：辊辊
1.犹混混。形容苟且混世。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。