petroleum pitch coke.
石油沥青焦炭
petroleum pitch fibre.
石油沥青纤维
Carbon fibers from petroleum pitch
石油沥青基炭纤维的制备
Study of Petroleum Pitch Coal Additive Agent and Slurrying Ability
石油沥青水煤浆添加剂和制浆研究
LOW SOFTNING POINT AND HIGH CARBON YIELD PITCH RESIN HAVE BEEN SYNTHESIZED BY PETROLEUM PITCH
石油沥青合成低软化点, 高残炭沥青树脂
The failure forms, causes and methods to appraise petroleum pitch coatings are summarized in the present paper.
文章概述了沥青外覆盖层保护失效的形式，理与评价方法。
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