【Daily Question: Pump Equipment】True or False Question, May 7, 2019

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The last edit to this post was made by 3983596_FPPZ on 2019-5-8 at 09:31; the file bk12.jpg is attached. Rules for answering questions and managing the system: 1. If all answers to a question are incorrect, participants will still receive a reward of 2 wealth points； 2. A correct answer earns 5 wealth points ； A reward of 8 wealth for all correct answers ； 3. Rewards for answers are available once per person only ； 4. Each reply allows for one management rating only ； 5. The answer and explanation will be visible after responding ； 6. The reply reward is valid for 48 hours. Studying* and winning awards again; come by here every day. 1. Defects in the pump body can be eliminated through professional welding repairs, thereby avoiding hydraulic pressure testing ( ) ； 2. After the expiration date of the pressure gauge calibration certificate, it can still be used normally within that month, and the calibration must be completed within the same month (). Answer: 1. Incorrect, 2. Incorrect.