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- 胎体PDC钻头烧结模具快速成型新工艺A new manufacture process of the mould for matrix PDC bits
- PDC钻头切削齿的运动分析和破损机理Kinematical analysis and failure mechanism of PDC bit cutter teeth
- 模拟深井条件下的PDC钻头破岩试验研究Experimental Study on The PDC Bit under The Simulated Deep Well Condition
- 钻头aiguille
- PDC钻头的轨迹方程及切削参数计算方法TRACE EQUATION AND METHODS FOR COMPUTING CUTTING PARAMETERS O OF PDC BITS
- 堆焊技术在钢体PDC钻头表面硬化中的应用Application of repair welding on surface hardening of steel body PDC bit
- 为PDC钻头连续钻进进行钻井液性能控制DRILLING FLUID PROPERTIES CONTROL FOR PDC BIT DRILLING
- 有关压缩机离合继电器的识别和位置请参照PDC上的标志。Refer to the label on the PDC for compressor clutch relay identification and location.
- 牙轮钻头roller bit
- B钻头B bit
- 冲击钻头firmer chisel
- H型钻头H bit
- 这钻头好钻。The drill bit well.
- 凹形钻头concave bit
- 板状钻头plate shaped drill
- 鼻形钻头nose bit
- 扁钻头flat drill bit
- 装上钻头brace a bit
- 卸下钻头break out a bit
- 半螺旋钻头half twist bit