直接通电磁化园柱形工件时,不能发现延伸方向与电流方向相同的缺陷
参考答案:错
My demand is that the information referred to in my report _____ to Mr Brown without delay.[ ]
A. to be e-mailed
B. e-mailed
C. be e-mailed
D. being e-mailed
船厂在交船时需要进行船舶性能试验,其内容包括()
A.回转,惯性,局部强度
B.回转,惯性,抛起锚
C.稳性,船速测定,局部强度
D.稳性,船速测定,回转,惯性