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[单选题]T8、T10是()钢。A .高速钢B .合金钢C .碳素工具钢D .空冷钢
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[判断题] T10钢含碳量为10%.A . 正确B . 错误
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[判断题] T10钢的含碳量为10%。A . 正确B . 错误
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[判断题] T10钢中的平均含碳量为10%。A . 正确B . 错误
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[判断题] T10钢号中的“T”表示的是特殊钢。A . 正确B . 错误
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[单选题]机械制造中,T10钢常用来制造()A . 容器B . 刀具C . 轴承D . 齿轮
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[问答题] 比较20钢和T10钢的退火,正火,淬火组织的异同.
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[单选题](T10)A.POSITIVEB.BEHINDC.RESULT A.AFRAID THEIR COUNTRIES WILL BE LEFT(T7)______B.WHAT WAS LESS VISIBLE THEN, HOWEVER, WERE THE NEW,(T8)______FORCESC.AS A(T9)______ A GREAT DEAL OF ATTENTION IS BEING PAID TODAY TO THE SO-CALLED DIGITAL DIVIDE—THE DIVI
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[单选题](T10)A.PROPERTYB.RUNC.ON A.ALL OTHER FORMS OF TOBACCO(T7)______SCHOOL GROUNDSB.IF THEY"RE ON SCHOOL(T8)______C.SMOKERS ARE BEING(T9)______NOT JUST OUT OF SCHOOL BUILDINGS AT MANY COLLEGES,(T10)______BUT OFF THE PREMISES.ON NOV.19,THE UNIVERSITYOF KE
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