【单选题】【消耗次数：1】
在确定工件的定位方案时，在生产中绝对不允许使用的定位方案为（）。
①
完全定位
②
不完全定位
③
过定位
④
欠定位
参考答案：
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相关题目
【单选题】
.工件在定位中出现欠定位，是因为（）。
①
实际被限制自由度数大于加工所要求限制的自由度数
②
实际限制自由度数大于六点
③
实际限制自由度数少于六点
④
加工所要求限制的自由度定位中没有被限制
【单选题】
工件在定位中出现欠定位，是因为（）。
①
实际被限制自由度数大于加工所要求限制的自由度数
②
实际限制自由度数大于六点
③
实际限制自由度数少于六点
④
加工所要求限制的自由度定位中没有被限制
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thehundred
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none
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