【Purification Daily Question】May 27, 2016
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To increase the popularity of the purified area, a \"One Question per Day\" campaign was launched to foster an active atmosphere for technical exchanges while providing users with certain financial rewards. (Fellow sailors, if you have any good questions, feel free to send them to me; let’s work together.) 【Daily Question】 In the PID diagram PDI-021601, what does “PDI” stand for? Please reply with your answer in the comments; answering correctly earns you +2 wealth points, while getting all answers right gives an additional +3 to +8 wealth points. Those who provide a thorough analysis or explanation of the question and its answer, or include detailed calculation processes, will receive extra wealth points as a reward. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions. Pressure difference indication.
Expressed as the exchange of communication between two or more individuals
PDI is differential pressure indication. Why wasn’t I given points for the question from the day before? )