graphite block body

例句：

1. 1. The graphite block was used to make the machine's bearings.
   这个石墨块用于制造机器的轴承。
2. 2.The graphite block is essential for the production of electrical equipment.
   石墨块对于生产电气设备至关重要。
3. 3. The graphite block has a smooth surface and is easy to polish.
   石墨块表面光滑且易于抛光。