Methods: Forcep curettage after anesthesia with propofol intravenous injection (observing group) and that with no method to relieve pain (control group).
2
消防员赶到后，他们不得不用剪线钳来打开周围的门，而在打开锁死的牢房门时同样遇到了困难。
Once firemen arrived, they had to use wire cutters to get through the perimeter gates, and had trouble opening locked cell doors.
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