1.Turn on and cut function details: The table shows the turn on and cut situations as pointer moves deasil, and the function is opposite while the pointer moves widdershins.
表的开关功能是表示:仪表压力指针位于最小刻度值
所具有的开关功能,
压力指针从最小刻度值开始顺
针
的开关状态,当压力指针逆
针
,实现的开关功能相反。