Pump leader "Wenling Manufacturing" exports to Egypt

This year marks the 60th anniversary of the establishment of diplomatic ties between China and Egypt. China has signed 12 trade agreements with Egypt. The two sides have stepped up the pace of cooperation within the framework of the “One Belt and One Road” initiative. The Egyptian mark

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Evaporation rate of metal under vacuum

Evaporation rate of metal under vacuum Core Tips: 1 Vacuum State and Its Characteristics When studying the evaporation of a substance under vacuum, we must first understand the characteristics of the vacuum state. The so-called "vacuum" problem is essentially the problem of gas molecula

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Engine business confidence full Warring States five

On January 15, 2016, in order to implement the "Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution" and strictly control the pollution of motor vehicles, the full implementation of the "Light Vehicle Pollutants Emission Limits and Measuremen

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