（圆网纸机上的）真空脱水网辊的英文

suction extractor roll

• 圆:    round; circular; s ...
• 网:    net
• 纸:    paper
• 机:    machine; engine
• 上:    upper; up; upward
• 的:    4次方是 The fourth po ...
• 真空:    vacuum; empty spac ...
• 脱水:    deprivation of bod ...
• 辊:    roller