阶梯式钻头 – phrases

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Terms containing 阶梯式钻头 | all forms | in specified order only

Subject	Chinese	English
dril.	阶梯式刮刀钻头	step type drag bit
dril.	阶梯式刮刀钻头	stepped drag bit
tech.	阶梯式金刚石岩芯钻头	step core bit
oil	阶梯式钻头	crowned bit
oil	阶梯式钻头	step bit
dril.	阶梯式钻头	step type bit
tech.	阶梯式钻头	step drill bit
dril.	阶梯式钻头	stepped bit
tech.	阶梯式钻头	ripper step bit