liquid level meter meaning in Chinese

液面计
液位计

In this paper , an oil tank monitoring system that consists of the optical fiber liquid level meter , optical fiber grating temperature sensor and optical fiber overhead alarm equipment is formed through the optical fiber technology
本文利用光纤传感技术研制的光纤液位计，光纤光栅温度传感器，光纤液位高位报警器组成油罐区监测系统，使得现场完全避免电信号，安全得到可靠保障。