Specifically designed to provide a compact installation for gauge or transmitter instruments, these valves feature reduced weight and minimum leak paths.
为量规和发送仪器特别设计，结构简单、紧凑，可以降低重量、使泄露通路最小化。
Radar liquid level transmitter becomes widely used in chemical fields. It introduces principle of application. Some items in the selection and installation are described.
针对雷达液位计越来越广泛地应用于化工领域的液位测量。分别介绍了雷达液位计的基本原理，以及在选用、安装中的注意事项。
The installation consists of several low-frequency speakers, each of which is paired with a laser transmitter.
作品由一组配对的低频音响与激光发射器组成。
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