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Water filter water has no nutrition? Stop it!
With the rapid development of the water purifier industry, more and more families have begun to use water purifiers to ensure the safety of daily drinking water. However, there have always been some voices in the “black water purifier,” saying that what the water purifier has filtered is ....
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How to choose a toxic and harmful gas detector
Confirm the type and concentration range of the gas to be tested: The types of gases encountered in each production department are different. All possible situations should be considered when selecting a gas detector. If methane and other less toxic alkanes are the most commo ....