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【判断题】
Q235A钢的屈服强度为235MPa。A.
正确
B.
错误
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皮皮学刷刷变学霸
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C.
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A.
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B.
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【单选题】______ a major disaster will get us to realize that we can't go on destroying the rain forests of the world.
A.
Anything but
B.
Nothing but
C.
But that
D.
Everything but
【简答题】转动小 滑 板法粗车 圆锥, ( ) 时针转 1 ° 54 ’ ;
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