If the liquid level goes up, it raises the pressure down here.
当液面升高的时候，这里的压强就增加了。
Optical fibre liquid level sensor has been extensively investigated and applied for its intrinsic safety and high precision.
光纤液位传感器由于本质安全和精度高的特点在液位测量中得到越来越广泛的研究和应用。
Changes of liquid level are usually monitored with echometers and stable decompression is achieved by controlling the reducing rate of the liquid level.
在煤层气井排采过程中，通常用回声仪来监测环空液面变化，通过控制液面下降速度来实现稳定、连续降压。
Float switch can automatically control the start and stop of pump according to the variation of required liquid level, with no need of a special person to care about, making operation quite easy.
浮球开关可以根据所需液位变化，自动控制泵的起动与停止，不需专人看管，使用极为方便。
Thermometer or liquid level measuring instrument .
温度计或液面测量仪表。
Then design of a conductive liquid level transmitter is introduced.
介绍一种电导式液位变送器的设计。
The system consists of liquid level meter, controller, pneumatic actuator.
该系统由液位计、控制器、气动执行机构等部分组成。
Expounds liquid level control system of flotation machine and its industrial test.
介绍浮选机矿浆液位控制系统及其工业试验过程。
Gradient of liquid level increases with the increase of liquid flow and the height of weir.
液面梯度随液体流量的增加而增加，随堰高的增加而增大。
It throttles open on a lowering liquid level and throttles closed upon a rising liquid level.
液面下降时，节流阀打开，升高时，节流阀关闭。
This paper for the first time presents the steel rope —float type apparatus for measuring liquid level.
本文首次推出用步进电机驱动的钢绳浮子式液位测量仪。
The medium storage tank includes stainless steel tank, electric mixer, liquid level meter and pump etc.
介质槽有不锈钢槽、电动搅拌器、液位计和泵等。
This paper introduces a digital experimental device which can exactly measure the liquid level in a vessel.
采用数字化测量与控制技术对透明器皿内的有色及无色液位进行精确计量。
Lighting of liquid level meter adopts fluorescent installed on bracket, also could adopt metal halide lamp.
液位计照明为支架上安装的荧光灯。亦可使用金属卤化物灯照明。
The distance between the scraper and the liquid level has certain influence to the quality of the prototype.
刮板同液面之间的距离对成型件的精度产生一定的影响。
Therefore high precision and automatic measurement of the oil liquid level play a great role in oil industry.
因此，实现油罐液位的高精度自动化计量具有十分重要的意义。
A liquid level control system based on ARM7 is developed for measurement, display and control of the height of liquid level.
设计了一种基于ARM7的液位控制系统，实现对液位高度的检测、显示以及控制。
The measure system of diffuse silicon liquid level transmitter is designed and improved to meet the reliability requirements.
以系统的可靠性为目标对扩散硅液位变送器测量系统进行综合设计和技术改进。
The monitor can automatically measure the annular liquid level changes at well head, and then calculate the bottom hole pressure.
该仪器能够从井口自动监测抽油井内环空液面深度变化，通过分析计算获得井下压力的恢复情况。
A new method for the accurate detection of liquid level with a photoelectric device is described. Experimental results are given.
本文阐述一种采用光电装置精确检测液位的新方法，得出了实验结果。
The measuring method proposed in this paper provides an effective method for the liquid level measurement of the sealed container.
该方法为密封容器的液位测量提供了一种有效的检测手段。
This paper introduces a new type measuring head for operating the liquid level measurement in a gauge glass with lineal array CCD.
本文介绍一种使用线阵CCD进行玻璃管内液位测量的光电测量头。
The circulation tank has a stainless steel tank, stream heating pipeline, filters, liquid level controller and pump for rinsing etc.
循环槽有一不锈钢槽、蒸汽加热管道、过滤器、液位控制器和喷淋用的泵等。
It is an accurate and economic way to use ultrasonic to measure liquid level, material level and thickness and topography under water.
利用超声波检测液位、料位、厚度和探测水下地形是一种准确、经济的方法。
It introduces the design of a liquid level measurement system based on the C51 single chip microcontroller and optical fiber technique.
介绍了一种基于C51单片机和光纤技术的液位测量仪的系统设计。
The emission circuit and photodiode monitoring circuit of microbend optical fiber liquid level sensor system are discussed in this thesis.
在论文中，对光纤微弯液位传感器系统的发射和光电检测电路进行了分析和设计。
It is shown that the design scheme can meet the required functions for measuring the time variable in magnetostrictive liquid level sensor.
通过理论分析和实践证明：该方案可以满足磁致伸缩液位传感器对时间量检测的功能要求。
The principle and application of the thermal diffusion liquid level switch in water disposal system are introduced; moreover, its virtues are analyzed.
介绍了水处理系统中热扩散式液位开关的原理及应用，分析了热扩散式液位开关的优点。
An Optical fibre interference liquid level sensor with the ability of reducing the effects of light fluctuations and outside disturbances has been described.
本文提出一种抗光源波动和外界干扰的条纹计数法光纤干涉型液位传感器。
Two methods for measuring the height of liquid level in big steel vessels by ultrasonic are presented and a simple comparison of the two methods is also made.
介绍了利用超声波检测大的钢质容器内的液面高度的两种方法，并对这两种方法进行简单的比较。
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