- 搜标题
- 搜题干
- 搜选项
单项选择题
CBG020压杆式黄油抢在已排尽空气仍然打不出润滑脂时，应停止操作、并仔细检查抢内的，故障排除后，方可重新操作（）
A.油脂
B．拉杆
C．活塞
D．阻塞
B．拉杆
C．活塞
D．阻塞
你可能感兴趣的试题
问答题
purely perceive discourage dynamics unlikely specialty reasonably sink extended actually My father was a historian and his was the history of Germany.
答案：
My father was a historian and his specialty was the history ...
