該產品應用光干涉原理，可迅速、準確地測定煤礦井下環境中的ch4和co2有害氣體。具有結構緊湊、操作方便、性能穩定、測量準確、使用壽命長等優點。
The application of light interference principle, can be rapid, accurate determination of coal of mine underground environment of methane and carbon dioxide in the harmful gases. Has the advantages of compact structure, convenient operation, stable performance, accurate measurement, long service life etc
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