And it is can do single and multi layer bottles, liquid level line bottles and plastic bottles etc. that below 5liter.

可生产5升以下单层、包层及液位线机油壶、塑料桶等。

youdao

Once the water level is lower than the line, we must add distilled water or liquid battery, do not directly tap water, it will form a damaged battery.

一旦水位低于下标线，就要加蒸馏水或电瓶补充液了，千万不要直接加自来水，这样会形成电瓶损坏。

youdao

This paper introduces a multi place liquid level measurement system, which employed eight linear array CCD for real time image capture of each liquid dividing line.

本文提出一套多界面位置实时监控系统。该系统采用八个线阵CCD像感器分别接收每个界面的光学图像。

youdao