A comparison was made between the bottom gating system, middle level gating system, and step gating system.
对底注、中注及阶梯注三种浇注系统进行对比。
The foundry method was designed based on the Proportional solidification theory. Step gating system, connor risers and chills were adopted. Successful result was obtained.
根据均衡凝固理论设计工艺，采用阶梯式浇注系统，压边冒口和冷铁，取得了满意效果。
The foundry method was designed based on the Proportional solidification theory. Step gating system, connor risers and chills were adopted. Successful result was obtained.
根据均衡凝固理论设计工艺，采用阶梯式浇注系统，压边冒口和冷铁，取得了满意效果。
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