常見(jiàn)例句雙語(yǔ)例句The laser hardening microscopic structures are mainly very fine martensite and the original pattern of flake graphite basically remain.其硬化組織主要爲(wèi)隱晶馬氏躰，片狀石墨基本保持原形貌不變。The process conditions and mechanism of preparing expand graphite by using cheap fine flake graphite as raw material was primarily studied in this paper.本文主要研究了利用成本低廉的細(xì)鱗片石墨制備膨脹石墨的工藝條件及機(jī)理。 返回 fine flake graphite