升温钝化开始时应联系仪表将（）短接。
A.HV-174
B.HV-204
C.FV-104
D.HV-206
参考答案：B
用切削刀具加工零件表面时，几何因素是已加工表面粗糙度形成的主要因素
Examinations are not the only means of________ someone's ability. [ ]
A. assessing
B. valuing
C. guessing
D. praising
