rotary buildup assembly
... 旋转振动充填设备：rotary compactor vibration equipment 旋转造斜钻具组合：rotary buildup assembly 旋转油泵：displacement oil pump ...
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这种转向系统主要由圆筒式壳体、定位器、螺旋转套、斜向器和造斜组合钻具等组成。
The new whipstock system is mainly comprised of cylindrical case, localizer, spiral rotating sleeve, whipstock and deflecting tools.
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