直流焊机过热的原因除焊机过载,换向器短路外,还有()。
A、电刷没磨好
B、换向器脏污
C、换向器振动
D、电枢线圈短路
参考答案:B, D
You did not perform as well as the other competitors—________,you failed.
A.in other words
B.after all
C.in the end
D.at the same time
用急付款方式为储户办理异地取款,凭折限额为()(含),凭卡限额为1万元(含)。