Built two product lines of metal powder and aluminum alloy additive, metal additive, grain refiner.
建立了金属粉末和铝熔铸业用熔剂、金属添加剂、细化剂两套生产线。
The effect of a kind of efficient grain refiner on the macrostructure of aluminum alloy was investigated.
本文研究了一种强有效的晶粒细化剂对铝合金宏观晶粒组织的影响。
Several methods for refining grains including annealing, adding grain refiner and quenching were discussed.
讨论了细化晶粒的几种方法：退火、添加晶粒细化剂和激冷。
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