roller rock bit的意思|示意
牙轮钻头
roller rock bit的网络常见释义
牙轮钻头 ... 四牙轮钻头 crosssection cone bit; four cutter bit; four roller bit; four-roller bit 牙轮钻头 cone rock bit; rifler; rock drill bit; rock roller bit; roller cone bit; roller cutter bit; roller rock bit; roller-cone bit; roller-type bit; rollerbit; rolling cutter bit; rolling cutter rock bit; tooth-wheel bit; toothed roller bit; true-rolling bit 烧结硬质合金钻头 sintered-metal bit ...
roller rock bit相关短语
1、 cross roller rock bit 十字形四牙轮钻头
2、 rock roller bit 牙轮钻头
3、 roller-type rock bit 牙轮凿岩钻头