Agricultural submersible pump maintenance precautions

Submersible pumps should be made to the necessary maintenance, to extend its useful life and to ensure the normal use of busy: 1, Change the lubricating oil: open the oil seal holes in the sealing chamber and the motor, release all the lubricating oil in the sealed chamber and the motor, replace t

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LED lighting companies have not found their own path

Since the beginning of the new year, the author has visited dozens of LED lighting companies. For the current development of China's LED lighting industry, the general understanding of enterprises is even more cruel! More intense! The market is more popular! Behind this series of exclamation poi

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