Then start the desander and desilter.
然后启动除器除器。
Then start the desander and desilter.
然后启动除器除器。
When drill hole in sandy soil the desander should be timely turned on to reduce the sand content and ensure the drilling progressing and stability of the hole.
在土层中钻进时,要及时开启离器,降低含率,保证钻进孔壁的稳定。
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