您要查找的是不是：
- 石墨graphite
- 石墨（Gr）graphite
- 石墨常被用来做成铅笔。Graphite is used in making lead pencils.
- 微米石墨（micron-Gr）micron-graphite
- GR-90GE-90
- 石墨电极graphite resistor rod
- GR病毒Muhlbock virus
- 石墨的plumbaginous
- GR试剂Griess-Romijn reagent
- 柔性石墨flexible graphite
- 石墨粉graphite powder
- 胶态石墨deflocculated graphite
- 白石墨white graphite
- 石墨化greying
- 块状石墨blocky graphite
- 艾奇逊人造石墨Acheson graphite
- 半石墨schungite
- 石墨换热器graphite heat exchanger
- 石墨减速剂graphite moderator
- 石墨是一种软而黑的物质。Graphite is a soft black substance.
