介绍了一种电子式双水位报警器的结构及工作原理，并对其有关参数的选定进行了设计计算。
This paper introduces the working principles of an electronic double-water level alarm and the designing calculation of its related parameter selection.
以实践为基础，对测量汽包水位中使用的双室平衡容器的工作原理与特性作了详细介绍。
On the basis of practicing, the operational principle and features of dual condensation chamber used for drum water level measurement are presented in detail.
中压、高压、超高压双色水位计、磁浮式液位计、管式液面计。
Medium pressure, high pressure, ultra-high pressure two-color water level gauge, magnetic level Meter, tube of liquid.
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