Lus piav qhia luv luv:

Graphite Petroleum Coke yog tsim los ntawm cov roj av zoo coke nyob rau hauv qhov kub ntawm 2800ºC. Thiab nws tau dav siv los ua cov khoom zoo tshaj plaws ntawm cov khoom siv rov ua dua tshiab rau kev tsim cov hlau zoo, cov hlau tshwj xeeb lossis lwm yam kev lag luam metallurgical, vim nws cov ntsiab lus siab ruaj khov, cov ntsiab lus tsis muaj leej faj thiab siab nqus tus nqi. Dhau li ntawd, nws kuj tuaj yeem siv rau hauv cov yas thiab roj hmab ntau lawm ua ib qho additive.Special particle loj tuaj yeem kho raws li koj qhov yuav tsum tau ua.
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