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