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.

youdao

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.

youdao