... 离心集渣浇注系统 whirl gate, dirt 顶注式浇注系统 top gating system 底注式浇注系统 bottom gating ...
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The casting technique with top gating system, outer shaped iron chill, compound casting mold and core assembly molding was used for producing aluminum impeller on a large scale successfully.
详细介绍了采取顶注式浇注系统、成形外冷铁、复合铸型、组芯造型的铸造工艺，成功地生产出批量铝叶轮。
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