仪表失灵时可先观察一下记录曲线的变化趋势,当指针缓慢到达终点,一般是()。
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According to the study "Working in the Twenty-First Century", individuals will not necessarily see themselves as working from home. They could equally be working from the office, but they will be on the move from place to place, working at various times of the day, for much of the week. For a large proportion of workers, work in twenty years' time will be more about movement than staying in one place.
现场总线控制系统(FCS)完成了什么样的结构()。