Dear readers, How are you! "Silver sheep retired from old age and golden monkeys made a new spring." According to the Chinese tradition, the new year is only really beginning after the Spring Festival. In order to better serve the readers and expand the membership of the "Mechanical Workers" Reader's Club, reviewing and summarizing the past will make these work better. Looking back at all the experiences of the reader club in a year, we deeply realized that the development of "Mechanical Workers"