单词nitrogen base
un.: 氮碱
网络: 氮基；氮硷基；含氮碱基
氮碱
Research and Application of Whole Set Equipment of Nitrogen-base Controlled Atmosphere continuous Brazing Furnace
氮基可控气氛连续纤焊炉成套设备的研制
Group control management technology of Nitrogen-base controlled atmosphere brazing furnace
氮基可控气氛钎焊炉的群控管理技术
Application of nitrogen-base controlled atmosphere heat-treated furnace for brazing high-speed steel
氮基可控气氛高速钢钎焊热处理炉的应用
Heat Treatment Furnace with High Temperature Nitrogen-Base Atmosphere
高温氮基可控气氛热处理炉