In addition to the beautiful appearance and fashionable atmosphere of the automatic door, there are many special functions that everyone does not understand. Sound insulation and wind resistance is...
After the special protective door is in place, the flatness must be calibrated and adjusted to the same installation height before installation. According to the provisions of the layout plan, the ...
The new crown virus has been raging for nearly two years. According to past experience, it should be coming to an end soon, but he does not seem to stop at all. It may be his last struggle, or...
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Investigate the uncertain status and influencing factors of COVID-19 patients in mobi...