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.
表中描述功能是表示:仪表压力指针位于最小刻度值时所具有
功能,
压力指针从最小刻度值
始顺时针动时
状态,当压力指针逆时针转动时,实现
功能相反。