Stomatal, dispersed shrinkage, shrinkage cavity, sonim and slag inclusion belong to this kind of defect.
属于这种类型的缺陷有、缩松、缩、夹砂、夹渣等。
Stomatal, dispersed shrinkage, shrinkage cavity, sonim and slag inclusion belong to this kind of defect.
属于这种类型的缺陷有、缩松、缩、夹砂、夹渣等。
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