掌握常见铸造缺陷的特征、产生原因、防止方法的翻译：Master the characteristics, causes, prevention of common defects of method 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Grasp the characteristics of common casting defects, causes, prevention methods

Master the characteristics, causes, prevention of common defects of method

Grasps the common casting defect the characteristic, has the reason, prevents the method

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Master the characteristics, causes, prevention of common defects of method