Particular structure electroplated diamond bit.
二合一型电镀金刚石钻头。
Diamond bit has advantages in structural characteristics and technology.
金刚石钻头在结构特点和技术方面具有优势。
With Tools: Did you notice your honey lost or broke his diamond drill bit?
工具：你的爱人的金刚石钻头丢了或者坏了，你发现了吗？
下金刚石取芯钻头。
The invention also relates to a method for preparing the natural diamond impregnated bit.
本发明还包括所述天然金刚石孕镶钻头制备方法。
下金刚石取芯钻头。
下金刚石取芯钻头。
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