运行时间超过15年、寿命超过设计使用寿命的转子、低压焊接转子、承担调峰起停频繁的转子，应适当缩短检查周期。
参考答案：对
下面各句中均有一处错误，请找出并改正。
1. This's my family.
2. Who's that men?
3. I loves my father and mother.
4. Who are that girl?
5. Who's your name?
循环小数1.1234812348…用简便方法记作______．
