Open - close position indicator. Limit switches for remote indication.
开启-关闭位置指示器。适用于远程指示的限制开关。
The basic limit for the position measuring was analyzed with the photoelectric signal model.
利用位置传感的光电信号模型，分析了光学传感器位置测量精度的基本限制。
Valve position high limit and valve position low limit setting.
阀位上限幅值和阀位上限幅值设定。
Valve position high limit and valve position low limit setting.
阀位上限幅值和阀位上限幅值设定。
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