... cuttings gas 岩屑中残余气 cuttings removal 清除岩屑 cuttings samples 屑试样 ...
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cuttings removal line 排屑线
passage for cuttings removal 排渣通道
removal of cuttings 清除岩屑
·2,447,543篇论文数据，部分数据来源于NoteExpress
The drill bit body has three wings four cylindrical tungsten carbide inserts and curved slots for removal of cuttings.
在结构上采用了三翼四齿的钻头体、弧槽形排粉沟槽，适用于硬、中硬、软岩的三种齿形。
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