除灰系统入口圆顶阀未开启报警条件是什么？
参考答案：
入口圆顶阀开启电磁阀得电时间超过5秒，但是其中一个或者多个圆顶阀密封压力仍大于0.5Mpa。
句型转换
1. The tiger likes eating small animals. (改为否定句)
The tiger ______ ______ eating small animals.
2. It is an American wolf. (改为复数形式)
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3. This elephant is from Africa. (同义句转换)
This is ______ ______ elephant.
4. My sister does her homework in the evening. (改为一般疑问句并作肯定回答)
______ your sister ______ her homework in the evening?
Yes, ______ ______ .
5. Sichuan, is, hometown, Lingling's, China(, )(. )(连词成句)
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简述检疫许可的审批手续。
