riser compound
... 锻造发热剂 forging thermit 冒口发热剂 feeding compound 补给口发热剂 exothermic feeding compound ...
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根据体收缩原则，研究了适用于模具镶块铸钢件加发热覆盖剂保温的冒口设计工艺。
Based on the principle of volume contraction of freezing, the designing process of riser fitting to the cast steel inserted die with exothermic covering flux has been studied.
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