论文部分内容阅读
1994年度《深冷技术》,将致力于超前服务,进一步提高质量和扩大信息,为气体部门多创效益出谋献策。欢迎新、老读者订阅。
1994 “cryogenic technology”, will be committed to advanced services, to further improve the quality and information to expand, gas sector to create more benefits and make suggestions. Welcome new and old readers to subscribe.