All screens must be equipped with some type of mechanism to continuously or intermittently clean the openings in the perforated barrier. Otherwise, the screen plate would rapidly plug up.
所有筛子都必须设置可连续或间歇清理筛板的机械装置，否则，筛板上的孔很快就会被堵塞。
All screens must be equipped with some type of mechanism to continuously or intermittently clean the openings in the perforated barrier. Otherwise, the screen plate would rapidly plug up.
所有筛子都必须设置可连续或间歇清理筛板的机械装置，否则，筛板上的孔很快就会被堵塞。
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