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The bus system is also called RS485, and the branch system is also called 4-20mA model. The gas detector currently mainly uses these two wiring methods, each with its corresponding alarm host.

On February 19, 2021, the eighth day of the first month of the lunar calendar, all the people of China Coal gathered together for a grand opening ceremony of 2021. China Coal Group Chairman Qu Qing, G

In order to enhance the awareness of brand development, spread the concept of brand development, create a brand development atmosphere, and publicize the results of brand building, on the afternoon of

With the rapid development of the industrial industry, many waste products have been produced. Among them, toxic and harmful gases may have an inestimable impact on human safety. Therefore, it is nece

In order to thoroughly implement the quality province and brand strategy, solidly promote the construction of high-end brands in the province, and showcase the achievements of corporate brand building

According to the "Several Opinions on Strengthening the Construction of High-Skilled Talent Teams to Promote Industrial Transformation and Upgrading Development" (Ji Ren She Fa [2016] No. 66) and "Eva