30CrMnSiA可控气氛热处理
30CrMnSiA controlled furnace inside atmosphere hea
氨分解气氛
ammonia dissociated atmosphere
氨气和氮气气氛下热处理
annealing in ammonia and nitrogen
氨燃烧气氛
ammonia combustion atmosphere
巴克雷班级气氛测验
barclay classroom climate inventory
巴克雷班级气氛量表
barclay classroom climate inventory
班级心理气氛
psychological atmosphere in the class
保护气氛电渣
electroslag furnace under protective Ar gas
保护气氛钎焊
controlled atmosphere brazing
保护气氛热处理
Protective atmosphere heat treatment
N2 shielded heat-treatment
保护气氛退火
protective atmosphere annealing