【Pump Technology Edition: Daily Question】January 11, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

2020-01-11View Original

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70. The most prominent feature of an optical image-level compared to a frame-level is (). A. Good versatility B. High precision C. Wide measurement range. The answer to the question from yesterday was A. 69. The pressure used for the hydrostatic test of a piston compressor cylinder is the (A) operating pressure. A、1.5 times B、1.25 times C、1.1 times (The answer is revealed the day before it is announced; those who guess correctly before the announcement receive 10 wealth points, those who guess correctly after the announcement receive 5 wealth points, and those who participate receive 3 wealth points.)

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【Pump Technology Edition: Daily Question】January 11, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

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