[Mechanical Equipment Technology Edition] Daily Question 201709012: Refrigerator Maintenance

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This post was last edited by YORK Industrial Refrigeration on 2017-9-11 at 14:17. Starting from now, in order to enhance communication among users, a \"Question of the Day\" activity has been launched on the Mechanical Equipment Technology forum. We hope everyone will participate actively to progress and improve together! ! ! Rewards: 3 wealth for active participation, 10-15 wealth for complete answers. This question is valid for two days; no scoring will be given after that. Question: As shown in the figure, what work is being carried out? ================================ Event Promotion: Petrochemical Zone – “Creative Ideas for Energy Savings” event (the second phase is currently in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum) 2017 Coal Chemical Industry Event – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html (Source: Haichuan Chemical Industry Forum)