Exploring blowhole resistance of new slag system stainless steel electrode by uniform design method

　　基于均勻設計方法探索新渣系不銹鋼焊條抗氣孔性

　　Main Elements of Secondary Blowhole in Silicon and Aluminum Alloy

　　影響鋁硅合金中二次氣孔的主要因素

　　Analysis of Blowhole Reason in 18 K Lost Wax Casting

　　首飾失蠟鑄造中的氣孔成因分析

　　The blowhole is formed from the gas inside the iron melt.

　　氣孔是由鐵液內部的氣體形成的。

　　Analysed the factors for caused blowhole in hydraulic castings and action solved.

　　分析了液壓件鑄件產生氣孔缺陷的因素及解決的對策。