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中间包吹氩
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中间包吹氩
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中间包吹氩
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argon blowing in a tundish
中间包吹氩
在中间包一定的位置吹入微小氩气泡,以改善中间包内流体的流动特性和去除钢中非金属夹杂物的中间包冶金技术。是钢水二次精炼措施,既可单独使用,也可辅助其他炉外精炼装置来加强精炼功能。
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national style of the film
National Superconducting Cyclotron Laboratory at Michigan State University
national supervisory commission
National surveying and Mapping Archive
National Symposium on Ancient Chinese
National Symposium on Children's Literature Theory
National Symposium on Computerized Information Management
National Symposium on Middle Chinese
National Symposium on Modern Chinese
National Symposium on Publication of Children's Books
National Symposium on Science and Technology Information Work
National Synarchist Union
National Syposium for the Creation of Modern Drama, Opera and Children's Drama
national system of emergency response platform
National Taiwan University of Arts
national teaching skills contest for the public security colleges and universities
national team
National Tea Variety Evaluation Committee
national tea variety regional experiment
National Technical Committee 170 on Printing of Standardization Administration of China
National Technical Committee 561 on Police Equipment of Standardization Administration of China
National Technical Committee for Library Standardization
National Technical Committee for Standardization of Cultural Relics Protection
National Technical Committee for Standardization of Transportation Engineering Facilities (Highways)
National Technical Committee for Terminology Standardization
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