healthy sound environment, good campus voice|the 2023 northeast educational equipment exhibition opened in changchun-pg电子有官方网站吗试玩

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healthy sound environment, good campus voice|the 2023 northeast educational equipment exhibition opened in changchun

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date：2023-06-19

previous：the pilot demonstration (northwest region) action plan of "healthy sound environment and good campus voice" in 100 cities and 1000 schools across the country was launched in xi'an

next：the launching ceremony of the "healthy sound environment, good campus voice" school healthy sound environment forum and pilot demonstration action plan (fujian province) was held at the fujian provincial educational equipment expo