A.設(shè)備所屬工區(qū) B.設(shè)備所屬車間 C.中修車間 D.信號科
A.DC12V±1.2V B.DC24V±0.24V C.DC24V±2V D.DC24V±2.4V
A.10s B.20s C.30s D.40s