Successful development of program-controlled sodium-ion exchanger, especially some breakthroughs of key techniques, has made the safety reliability and automation degree of domestic automatic exchanger raise to a new level. 电脑程控钠离子交换器的研制成功,特别在几个关键技术问题上的突破,使国内自动交换器的安全可靠性及自动化程度提高到一个新水平。