本文介绍一种新型光电式液位传感器的设计原理、光路的理论分析。
The designing principle and theoretical analysis of the beam path of a new photoelectric liquid-level sensor are presented.
本文介绍一种新型光电式液位传感器的设计原理、光路的理论分析。
The designing principle and theoretical analysis of the beam path of a new photoelectric liquid-level sensor are presented.
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