基本解釋石油瀝青英漢例句雙語例句A pitch mesophase can be prepared from petroleum pitch and coal tar pitch.從石油瀝青和煤瀝青中制取瀝青中間相物質(zhì)。The failure forms, causes and methods to appraise petroleum pitch coatings are summarized in the present paper.文章概述了瀝青外覆蓋層保護(hù)失傚的形式、機(jī)理與評價方法。This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurring ability of coal on adding petroleum pitch.主要介紹了石油瀝青水煤漿添加劑的制備和在煤中摻入石油瀝青的制漿性能。http://www.websaru.competroleum pitch更多例句詞組短語短語petroleum pitch enamel 石油瀝青漆petroleum pitch coke 石油瀝青焦炭petroleum pitch fibre 石油瀝青纖維petroleum pitch enareel 石油瀝青漆petroleum pitch coating 瀝青外覆蓋層petroleum pitch更多詞組專業(yè)釋義化學(xué)石油瀝青冶金工程技術(shù)石油瀝青交通運(yùn)輸工程石油類柏油脂