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The underground metal detector is made of advanced technology. It has the characteristics of wide detection, accurate positioning, strong resolution and easy operation. Metal detectors are mainly used to detect and identify metal objects buried underground. In addition to military applications, it is widely used in security inspection, archaeology and prospecting, and the search for scrap metal, which is also known as "iron probe", which is a good helper for waste recycling.
When a child is infected with respiratory tract infection, the pathogenic bacteria can easily enter the middle ear through the eustachian tube and cause otitis media. However, this type of acute otitis media is usually seven to 10 days after a cold, so it is easy to be ignored by parents. After the symptoms of the baby's respiratory infection have gone away, parents need to be concerned about whether the baby has symptoms of otitis media. In addition, the best measure to prevent the childhood suffering from otitis is to actively prevent colds or minimize the cold cycle. When a child is infected with respiratory tract infection, the pathogenic bacteria can easily enter the middle ear through the eustachian tube and cause otitis media. However, this type of acute otitis media is usually seven to 10 days after a cold, so it is easy to be ignored by parents. After the symptoms of the baby's respiratory infection have gone away, parents need to be concerned about whether the baby has symptoms of otitis media. In addition, the best measure to prevent the childhood suffering from otitis is to actively prevent colds or minimize the cold cycle.
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