【摘要】 论述了几种可溶芯技术在国内外的发展及其在实际生产中的应用概况，介绍了几种可溶芯的制作工艺及性能，阐明了可溶芯技术的优点及目前存在的主要问题，指出了该项技术未来可能的发展方向。更多还原

【Abstract】 The development of several dissolvable core processes and their practical application at home and abroad was summarized. Some dissolvable core making processes and properties of the cores was introduced,and the advantages as well as the main problems existing at present of dissolvable core processes were described. The possible trend of the process was forecast.更多还原