用煅烧石油焦和煤沥青为基本原料，采用热压和石墨化工艺制备了几种纯石墨材料。
Bulk graphite was prepared from calcined coke and coal tar pitch precursors by hot pressing and graphitization.
以煅烧石油焦为基本填料，煤沥青为粘结剂，采用热压工艺制备石墨制品。
The bulk graphite was prepared from starting materials of calcined coke and coal-tar pitch by the hot-pressing process.
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