本文讨论了调制式光纤理化检测仪的原理以及有关探头、波长切换机构的设计问题。
The measuring principle and the design topics of the analyser and its wavelength changing mechanism are discussed in this paper.
切换机构上可根据使用介质、温度、压力的不同，配以不同型号的安全阀，以适应不同的工况条件。
According to the medium, temperature and pressure, the switching mechanism may be equipped with various types of safety valves so as to adapt the various working conditions.
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