The invention discloses a formulation of the nano composite material of a bit tooth, which is used for improving the life of the air percussion bit tooth.
本发明公开了一种钻头牙齿纳米复合材料的配方，该发明用于提高空气冲钻钻头牙齿的寿命。
The invention discloses a formulation of the nano composite material of a bit tooth, which is used for improving the life of the air percussion bit tooth.
本发明公开了一种钻头牙齿纳米复合材料的配方，该发明用于提高空气冲钻钻头牙齿的寿命。
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