答案:起动注意
A. (A)50kPa
B. (B)60kPa
C. (C)70kPa
A. (A)负端
B. (B)正端
C. (C)蓄电池漏电
A. (A)故障
B. (B)运转
C. (C)电阻制动
解析:解析: J423
解析:解析:停机