April 26, 2025

Cat : 202210

How to maintain and maintain heat pump hot water unit

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Heat pump water heater is a high degree of automation equipment, the unit should be used regularly ...

Scientists successfully decipher rice gene maps

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Recently, scientists have completely deciphered the genetic map of rice, the most important crop ...

2009 machine tool industry development speculation

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Wu Bolin, the Director General of the China Machine Tool Industry Association, predicts that the ...