[Daily question of Pump Technology Edition] February 12, 2020 (Spring Festival benefit: 10 wealth will be awarded for correct answer before the answer is announced)

2020-02-12View Original

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102. The permanent bending of the shaft will intensify with its rotation speed (). A. Increase? B. Decrease? The answer to question 100 on February 10th the day before yesterday is C? 100. Generally, gears are commonly made of 45# steel through (C) or (C) treatment. ? A. Backwatering, carburizing? B. Quenching, annealing?? C. Normalizing, quenching and tempering? The answer to question 101 on February 11 yesterday was A 101. The installation direction of the sealing blade should be (A). See the attachment for the picture (the previous day's answer will be announced the next day. 10 wealth will be awarded for the correct answer before the announcement, 5 wealth will be rewarded for the correct answer after the announcement, and 3 wealth will be rewarded for participation)

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[Daily question of Pump Technology Edition] February 12, 2020 (Spring Festival benefit: 10 wealth will be awarded for correct answer before the answer is announced)

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