cemented carbide bit 硬质合金钻头
tungsten-carbide bit 碳化钨合金钻头
sintered carbide tool bit 硬质合金刃具
large diameret carbide bit 大直径合金切割钻头
tungsten carbide button bit 碳化钨球齿钻头
carbide type bit 镶硬合金齿的牙轮钻头
tungsten carbide insert bit 碳化钨镶齿钻头 ; 镶齿钻头
carbide insert bit 镶硬合金齿的牙轮钻头
sintered tungsten carbide compact bit 镶碳化钨硬合金齿钻头
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3.
钻机可适用多种钻进工艺方法，如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。
It is available to strengthen the bit teeth by replacing the granular casting tungsten carbide with the spheroidal sintering tungsten carbide.
用球状烧结碳化钨代替粒状铸造碳化钨作钢齿钻头齿面堆焊材料是提高齿面强化效果的有效途径。
In order to improve bit life span this paper puts forward a thought of using the techniques and formulas of making diamond enhanced tungsten carbide composite button to make impregnated diamond bit.
为了提高钻头的寿命，提出了将制作金刚石增强型硬质合金复合齿的工艺、配方应用到制作孕镶金刚石钻头的设计思路。
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