【Pump Technology Edition: Daily Question】February 3, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

2020-02-03View Original

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93. The automatic main steam valve of the turbine is subject to thorough inspection using ( ). A. Kerosene leak test B. Airtightness test C. Coloring method. The answer to question 92 from yesterday is: C. 92. It is mainly used for rectangular splines in heavy-duty connections that are subject to high loads. Its centering method is () centering. A、Outer diameter B、Inner diameter C、Tooth flank (Answers are released the day before they are made public; 10 wealth points for correct answers before release, 5 wealth points for correct answers after release, and 3 wealth points for participation)

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【Pump Technology Edition: Daily Question】February 3, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

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