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two-step normalizing
释义
two-step normalizing
Encyclopedia
工学
正火
释
two-step normalizing
二段正火
工件加热至Ac3或者Accm以上30~50℃并保温适当时间后,在静止的空气中冷却到Ar1附近即转入炉中进行缓慢冷却的正火工艺。
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drawing square grid with Chinese unit of length Li
Drawing sword
Drawing Sword Action
drawing texture
drawing tools
drawing without replacement
drawing with replacement
draw in the chest and keep the back straightt
draw loom
draw lots
drawn ore grade
drawnwork
drawn work tablecloth
draw on the advantages and avoid disadvantages
drawplate
draw textured yarn machine
draw tube
drawtube
draw twisting
Dr.Bethune
DRC
D. R. Cox
D. R. Cox (1924—)
DRE
dream
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