In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.
文章介绍了
种新型小尺寸钻头，它主要由个偏置
多锥形牙轮和个圆柱形滚轮及两个牙掌组
。
,廉价,微不足道In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.
文章介绍了种新型小尺寸钻头，它主要由个偏置多锥形牙轮和个圆柱形滚轮及两个牙掌组。
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，
分未经过人工审核，其表达内容亦不代表本软件观点；若发现问题，欢迎向我们指正。
