发现设备有不正常情况应立即停车，紧急情况下应立即停车。
参考答案：错
解析：发现设备有不正常情况，紧急情况下应立即停车。
The great hall was crowded with many people ,_______many children ________on their parents’ laps.
A including ,seated B including , seating C included , sat D included , sitting
行星齿轮变速器的换档执行元件包括矩（）、（）及（）。
