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Graphite Pobzeb
Graphite pobzeb yog tsim thiab hloov kho los ntawm Hexi Tuam Txhab rau qhov tsis xws luag ntawm tus nqi siab thiab kev pabcuam luv luv ntawm tooj liab lub taub hau hluav taws xob pobzeb hauv lub tshuab hluav taws xob.
Graphite pobzeb yog tsim thiab hloov kho los ntawm Hexi Tuam Txhab rau qhov tsis xws luag ntawm tus nqi siab thiab kev pabcuam luv luv ntawm tooj liab lub taub hau hluav taws xob pobzeb hauv lub tshuab hluav taws xob.