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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
