计量器具的检定是查明和确认计量器具是否符合法定要求的程序,包括检查、()和()。
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电动机不正常地发热,但根据电流表的指示,定子电流未超出正常范围,可能是什么原因?
A client roams from h-reap ap1 to h-reap ap2. the client is unable to associate to h-reap ap2. h-reap ap2 has six other clients associated to it, which continue to pass traffic. What has caused this problem?()
A. h-reap ap1 has reached its client limit.
B. h-reap ap2 has reached its client limit.
C. h-reap ap2 lost its connection to the controller.
D. h-reap ap1 lost its connection to the controller.
通过各艺术形式而进行的叙事,它往往会使所叙之事鲜活、形象,带有感染性的思想道德教育方式是()
A. 文本式叙事
B. 非文本式叙事
C. 艺术式叙事
D. 自然式叙事
YB25/YB45包装机重新启动时,需首先按(),再按启动按钮。