【Weekly 3 Questions, Question 22】2017.09.27

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The last edit to this post was made by xh8618 on 2017-9-28 at 08:40; by replying with bg9.png, one can see the answers to the previous question (fill-in-the-blank questions). If the medium flowing through a pipeline is gas and there is a suspicion of leakage in that pipeline, the most common method for detecting such leaks is ( ). The answer is: using soapy water to detect leaks. The questions for this session are as follows: (Fill-in-the-blank questions) A power supply with a redundant configuration is an AC power supply system that features high efficiency, good stability, and no interference. Depending on the importance of the production process, ( ) are generally used to supply power to it. —————————————————————————————————————————————————————————————— Scoring criteria: 2 Wealth points for incorrect attempts; 3–6 points for *incomplete* answers; 8 Wealth points for correct answers with detailed explanations; 10–15 Wealth points for correct answers along with supplementary *answers*. Please score according to these criteria. Note: If there are editing records after answering, only those who participated will be given points. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters unrelated to the answer are all considered malicious spamming; points will start to be deducted after three warnings