Terms for subject Oil / petroleum containing chisel insert

English	Chinese
blunt chisel insert	钝型楔形齿
chisel insert	楔形镶齿
chisel type insert bit	楔形硬合金齿钻头
scoop chisel insert	勺形齿
scoop chisel insert	瓢形齿
sharp chisel insert	锐型楔形齿
sharp chisel insert	长楔形齿
wedge crested chisel insert	楔形齿
wedge crested chisel insert	边楔齿