在筒体的上边设有观察清理孔，因而清理方便快速。
The upper side of the barrel body is provided with an observation cleaning hole; therefore, the cleaning is convenient and quick.
在钻进过程中，应随时清理孔口积土，遇到塌孔、缩孔等异常情况，应及时研究解决。
In the drilling process, should be kept clean hole soil, encountered hole collapse, shrinkage and other abnormal situations, timely solution.
提示：有多个逸出孔，有利于成品中树脂耗材的排除，同时，也有利于后期处理过程中使用清洁溶剂清理你的模型。
Tip: having multiple holes makes it easier for the resin to escape, and for the cleaning solvent to clean out your model during post-processing.
如果在某个吹孔里面有较大的灰尘块，这时用牙签小心将灰尘清理是可以的。
If there is a large piece of dust inside one of the holes, it should be OK to place a toothpick in the hole to remove the dust.
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.
在浓缩罐下部设置了快开式手孔，以使清理罐内残液，残渣；
Quick-open hand hole is set at lower part of the concentrator to clear residual liquid and slag inside the concentrator.
在浓缩罐下部设置了快开式手孔，以使清理罐内残液，残渣；
Quick-open hand hole is set at lower part of the concentrator to clear residual liquid and slag inside the concentrator.
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