对断路器的日常维护工作中,应检查()是否正常,核对容量是否相符。
A、分闸线圈
B、合闸电源熔丝
C、继电保护二次回路
D、合闸线圈
参考答案:B
He said he ________ his old friends for a long time. [ ]
A. didn't see
B. wouldn't see
C. hasn't seen
D. hadn't seen
在线银行出纳系统允许从非活动账户取款。拒绝这种取款的最好控制方法是()。
A.验证计算
B.校验位检验
C.主文件查询
D.重复记录检查