基本解釋宏觀(guān)煤巖同根派生 petrographics相關(guān)詞英漢例句Keywords Longyan anthracite;petrographics;particle property;combustion characteristic; 龍巖煤;宏觀(guān)煤巖;顆粒性質(zhì);燃燒性質(zhì);petrographn. 巖石的碑文petrographics更多例句