搜索 | FaceYa

添加的博客其他

2025-12-26 08:40:04 -

Diamonds for Drilling: From Bortz and Carbon to Modern Core Bits

In the world of geological exploration, the evolution of rock drilling tools has always been closely tied to the materials used on the drill bit itself. As early as the 20th century, mining engineers recognized that simple steel tools were quickly worn down by hard rock formations, leading to the incorporation of harder materials such as bortz and carbon into the drilling process. Today,...

0 发布评论计数 0 分享 690 查看 0 評論