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国家公务员录用的首要原则是( )原则。
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A.
正确
B.
错误
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【判断题】碳素钢是含碳量大于 2.11%的铁碳合金。 ( )
A.
正确
B.
错误
【判断题】用一夹一顶加工轴类零件,卡盘夹持部分较长时,这种定位既是部分定位又是重复定位。
A.
正确
B.
错误
【判断题】钢是含碳量大于2.11%的铁碳合金。
A.
正确
B.
错误
【简答题】用一夹一顶加工轴类零件,卡盘夹持部分较长时,这种定位既是部分定位又是重复定位。 ____
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【判断题】气边界层是指从地面至500m到1.5km高度的最低层大气,湍流运动是该层大气的最基本特征。
A.
正确
B.
错误
【判断题】钢是含碳量大于2.11%的铁碳合金。
A.
正确
B.
错误
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