本文首次推出用步进电机驱动的钢绳浮子式液位测量仪。
This paper for the first time presents the steel rope —float type apparatus for measuring liquid level.
根据磁阻传感器的角位移测量原理，提出智能金属管浮子流量计的设计方案。
A design scheme of the intelligent metal tube variable area rotameter is proposed according to the angular position measuring principle of the magneto resistance sensor.
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