carbon equivalent短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 碳当量 The effects of casting modulus, pouring temperature. carbon equivalent and mould toughness on the solidification shrinkage of ductile cast iron was investigated experimentally. 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。 chemyq