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When autumn comes, the baby is prone to diarrhea. Diarrhoea caused by rotavirus accounts for about 70 to 80% of childhood diarrhea in autumn and winter. It just like other viruses, are not afraid of antibiotics, use of antibiotics would only backfire and abuse will not only destroy bacteria in the intestinal tract normal, dysbacteriosis, affect the intestinal absorption function, and bacteria resistant strains growing, can also be a secondary mould enteritis, etc., make or aggravate diarrhea in delay. For the diarrhea caused by rotavirus, the majority of children can recover as long as the rehydration solution is selected and the microecological modifier and mucosal protection agent are selected. Even if it is not caused by rotavirus infection, it is not effective to use antibiotics for the non-infective infantile diarrhea caused by inappropriate diet and climate mutation.
The concrete (usually with steel bar) is poured directly into the stable and solid roadbed, and the new line of ordinary sleeper and gravel bed is not used. This kind of line is clean, suitable for large volume and difficult maintenance area, especially for tunnel, underground railway, port wharf and stone road base. But its construction investment is big, if because of the construction slapdash or basement instability, concrete layer fracture, cure difficulty. China's overall Taoist route in the tunnel is more than 300 kilometers long
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