【Daily Question: Pump Equipment】True or False Question, 2018.12.17

2018-12-17View Original

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Rules for true/false questions: 1. A reward of 2 Wealth is given for active participation if both questions are answered incorrectly; 4 Wealth is awarded if one question is answered incorrectly and the other correctly; 6 Wealth is given if both questions are answered correctly ； 2. Rewards for answers are available once per person only ； 3. Each reply allows for one management rating only ； 4. The answer and its explanation will be visible after responding ； 5. The reward is valid for 48 hours. Studying* and winning awards again; come by here every day. Steel grade 1,45# has a higher carbon content than steel grade 25#, which means it has better weldability. ( ) 2. ZG230-450 is a cast carbon steel material, meaning that its tensile strength ranges from 230 MPa to 450 MPa. ( ) Answer: Wrong, wrong

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【Daily Question: Pump Equipment】True or False Question, 2018.12.17

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