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?8490.Although dents in the heel of a bend are not permis- sible, they are acceptable in the remainder of the hydraulic tube providing they are less than what percent of the tube diameter?

发布于 2021-02-18 22:10:54

【单选题】
A 5.
B 10.
C 20.

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何小帅 2023-02-18

时间顺流而下，生活逆水行舟。

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