碳化钨镶尖钻头的英文

tungsten-carbide-ti ed bit

tungsten-carbide-tipped bit

• 碳化:    carbonize; acierat ...
• 钨:    tungsten; wolfram
• 镶:    inlay; set; inset; ...
• 尖:    pointed; tapering
• 钻头:    boring crown; bore ...