Analysis is done to the causes of reject A30 block with sand inclusion, i. e. the elements of molding sand feature; cast structure, casting speed and arrangement for casting system, etc.
对A30气缸体夹砂废品产生的原因，即型砂性能、铸件结构、浇注速度、浇注系统的布置等方面的要素进行了分析。
Analysis is done to the causes of reject A30 block with sand inclusion, i. e. the elements of molding sand feature; cast structure, casting speed and arrangement for casting system, etc.
对A30气缸体夹砂废品产生的原因，即型砂性能、铸件结构、浇注速度、浇注系统的布置等方面的要素进行了分析。
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