| 单词 | regenerator | 
| 释义 | regenerator [rē`jen·ǝ´rād·ǝr]  CHEMICAL ENGINEERING Device or system used to return a system or a component of it to full strength in a chemical process; examples are a furnace to burn carbon from a catalyst, a tower to wash impurities from clay, and a flush system to clean off the surface of filter media.  ELECTRONICS 1. A circuit that repeatedly supplies current to a display or memory device to prevent data from decaying.  2. See <<repeater>>  MECHANICAL ENGINEERING A device used with hot-air engines and gas-burning furnaces which transfers heat from effluent gases to incoming air or gas.  | 
	
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