One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 286

2015-08-22View Original

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This post was last edited by YongBu※YanQi on 2015-8-22 at 22:25. The low-temperature steels used in our country include ( ), or austenitic stainless steel can also be used. A、16Mn B、09Mn2V C、06AlCu D、06MnNb Answer: ABCD

Reply #22015-08-22

This post was last edited by nthrbt on 2015-8-22 22:34: ABCD

Reply #32015-08-22

B、09Mn2V C、06AlCu D、06MnNb

Reply #42015-08-23

China’s low-temperature steels include (B), among others, or austenitic stainless steels can be used. A、16Mn B、09Mn2V C、06AlCu D、06MnNb

Reply #52015-08-23

In our country, for low temperatures, grade B is available, or austenite can be used

Reply #62015-08-23

Our country’s low-temperature steels include (abcd), etc., or austenitic stainless steels can be used.

Reply #72015-08-23

A、16Mn B、09Mn2V C、06AlCu D、06MnNb

Reply #82015-08-23

Answer A. . . . . . . . . .

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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 286

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