【Mechanical Equipment Technology Edition】Daily Question 20170804: Refrigeration Principles (2)

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This post was last edited by YORK Industrial Refrigeration on 2017-8-4 at 13:07. 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 wealth for correct answers. This question is valid for two days; no scoring will be given after that. Title: The diagram below is the most widely used one in refrigeration, and it is essential for both maintenance and design. What is the name of this image? Answer: Hidden content of this post Hidden content of this post Hidden content of this post Hidden content of this post Enthalpy-pressure diagram ================================ Promotion event: Petrochemical sector – “Creative Ideas for Energy Saving” campaign (the second phase is currently in progress) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum) “My Technical Upgrades” in the coal chemical industry in 2017 http://bbs.hcbbs.com/thread-1786290-1-1.html (Source: Haichuan Chemical Industry Forum)