A.0.256MPa B.0.273MPa C.0.286MPa D.0.

练习题库2022-08-02  42

问题 A.0.256MPaB.0.273MPaC.0.286MPaD.0.312MPa

选项 A.0.256MPa
B.0.273MPa
C.0.286MPa
D.0.312MPa

答案 B

解析
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