Research and Development Work on New Type (Multi-Nozzles in Pairs) Coal-Water Slurry Gasifier and Prospect for its Use in Clean Coal Realm是什么意思_Research and Development Work on New Type (Multi-Nozzles in Pairs) Coal-Water Slurry Gasifier and Prospect for its Use in Clean Coal Realm在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句