对蒸谷米糠和普通米糠的物理特性和化学特性进行了测定。
The physicochemical characteristics of parboiled rice bran and common rice bran were determined.
实验测定了化学成分、浇注温度、铸件模数和铸型刚度对球墨铸铁收缩特性的影响。
The effects of casting modulus, pouring temperature. carbon equivalent and mould toughness on the solidification shrinkage of ductile cast iron was investigated experimentally.
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