【判断题】【消耗次数:1】
给铸件设置冒口的目的是为了排出多余的铁水。
正确
错误
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随机题目
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【单选题】 11 ______, they had no chance of winning.
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【单选题】 15. She suffered great mental_____ after her husband died, and as a result she became mad.
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