economical process meaning in English
经济过程
Examples
- Ro ( the reverse osmosis ) system is the most economical process for salt removing from water
是目前所有脱盐方法中能耗最低的一种。 - 1898 sir henry bessemer , english metallurgist and inventor of an economical process for converting cast iron into steel in 1856 , died at the age of 85
1856年发明酸性底转炉经济炼钢法的英国冶金学家亨利?贝西麦爵士逝世，终年85岁。