一种桨轮状转子用来保持筛板的清洁。
筛窦顶壁与筛板的连接方式以高台式多见。
The high type was the most connection modes between ethmoidal roof and cribriform plate.
合理的检修维护装置，使调换锤头、筛板更加便捷。
Easy access for maintenance has made the hammers and screen bars replaced much easier.
所研制的筛板性能优异、质量稳定、使用寿命半年以上。
The sieve-plates have excellent property, stable quality and longer service life.
所研制的筛板性能优异、质量稳定、使用寿命半年以上。
The sieve-plates have excellent property, stable quality and longer service life.
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