• 2022-06-27
    ​ FCC的全位错的伯氏矢量是:‍​‍
    A: [img=98x59]18032575db6fdcb.png[/img]
    B: [img=103x57]18032575e4735b4.png[/img]
    C: [img=108x64]18032575ed97bf3.png[/img]
    D: [img=108x60]18032575f5f25dc.png[/img]
  • 举一反三