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.
文章介绍了一种新型小尺寸钻头，它主要由一个偏置的
牙轮和一个圆柱滚轮及两个牙掌组成。
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.
文章介绍了一种新型小尺寸钻头，它主要由一个偏置的牙轮和一个圆柱滚轮及两个牙掌组成。
Explanation: Cosmic clouds of hydrogen gas and dust abound in this gorgeous skyscape, stretching through Monocerous in the neighborhood of The Cone Nebula.
在这张绚丽的天空美景
，充满了氢气和尘埃组成的宇宙星云，一直延伸到星云附近的
内。
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