pilot type bit – phrases

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Terms containing pilot type bit | all forms | in specified order only

Subject	English	Chinese
tech.	pilot type bit	多级式钻头
tech.	pilot type bit	导向钻头
eng.geol.	pilot type bit	导向式钻头
tech.	pilot type bit	塔式钻头
tech.	pilot type plug bit	导向锥形钻头