tungsten-carbide button bit

例句：

1. 1. Thetungsten-carbide buttonbit is the perfect tool for drillingthrough hard materials like granite.
   钨碳化物按钮钻头是钻孔硬材料如花岗岩的理想工具。
2. 2. The engineer used atungsten-carbide buttonbit to quickly cut through the concreteslab.
   工程师使用钨碳化物按钮钻头快速切开混凝土板。
3. 3. Thetungsten-carbide buttonbit was so sharp that it could easilycut through even the toughest of materials.
   钨碳化物按钮钻头非常锋利，可以轻松切割最坚硬的材料。