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.
中描述的开关功
:仪
压力指针位于最小刻度值时所具有的开关功
,即压力指针从最小刻度值开始顺时针动时的开关
,
压力指针逆时针转动时,实现的开关功
相反。