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【Pump Technology Edition: Daily Question】January 4, 2020 (5 Wealth points for correct answer)

2020-01-04View Original

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63. When the interference between the inner ring of a rolling bearing and the shaft is large, ( ) assembly can be used. A. Driving in method B. Pressing in with a press C. Bearing heating by temperature difference. The answer to the question from yesterday was: B. 62. The PDCA cycle can be further divided into (B) steps. A、Six B、Eight C、Four (Answers are revealed the day before they are announced; 5 wealth points for those who get it right before the announcement, and 1 wealth point for those who participate)

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