widdershins

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.

表中描述的开功能是表示：仪表压力指位于最小刻度值所具有的开功能，即压力指从最小刻度值开始顺动的开状态，当压力指逆动，实现的开功能相反。

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.

表中描述的开功能晴示：仪表压力指位于最小刻度值所具有的开功能，即压力指从最小刻度值开始顺动的开状态，当压力指逆动，实现的开功能相反。