According to the Chinese government network, Premier Wen Jiabao presided over the State Coun…
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(3) Temperature distribution in the thickness direction of the product. The temperature at whic…
The natural enemies of pests in orchards are mainly predatory ladybugs, grasshoppers, thri…
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Modern induction melting furnaces are the result of a combination of high-power semiconduct…
After the Spring Festival, many families began to put in renovations. Many middle-to-high-…