YB45包装机安装内框纸卷时，需将（）靠在新内框纸卷上，保证摆杆上的定位轮卡在纸卷两侧。
参考答案：检测摆杆
非营业性爆破作业单位安全员不少于（）人。
A.2
B.3
C.4
D.5
While talking with his colleagues, he accidentally ________ that he had got divorced. [ ]
A. let out
B. gave out
C. turned out
D. brought out
