Priority is given to development of heavy coal liquefaction and petrochemical equipment, heavy vessels for hydrogenation reactor and nuclear reactor and localization of heavy casting and forging for super-critical unit.是什么意思_Priority is given to development of heavy coal liquefaction and petrochemical equipment, heavy vessels for hydrogenation reactor and nuclear reactor and localization of heavy casting and forging for super-critical unit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句