• 2022-06-11
    下列不是前后轮同时抱死的条件是()。
    A: Fu+F=φG
    B: Fu=φFz
    C: Fu=φFz
    D: =Fu/Fu
  • D

    内容

    • 0

      代表熔断器的文字符号是( )。 A: FU B: FU C: RP

    • 1

      8.8和10.9级表示螺栓成品抗拉强度fu>800Mpa和fu>1000Mpa;则螺栓材料的屈服强度为( )。 A: fy>0.8和fy>0.9 B: fy>0.9和fy>0.9 C: fy>0.9和fy>1.0 D: fu =720Mpa和fu =900Mpa E: fu =640Mpa和fu =900Mpa

    • 2

      衡量钢材强度的指标是 A: fu B: fy;fu C: fp D: fe

    • 3

      When it comes to Chinese Kung Fu, people may think of the well-known movie Kung Fu Panda or the______ and famous Kung Fu man Bruce Lee.

    • 4

      The____in today's operas come from the common clothes“Chang fu” of the Ming Dynasty. A: Public suit B: Court suit C: Yan Fu D: Pin Fu