• 2022-06-19
    If iron contains more than ____% C, the alloy is referred to a cast iron()
    A: 2.11
    B: 0.77
    C: 4.3
    D: 0
  • A

    内容

    • 0

      which substance in body contains iron?

    • 1

      过共析钢的含碳量为()。 A: 0.77%~2.11% B: 2.11%~4.3% C: 2.11%~6.69% D: 4.3%~6.69%

    • 2

      At the top of the A-frames there is a strong cast iron frame called ().

    • 3

      An advantage of aluminum pistons, when compared to cast iron pistons is ().

    • 4

      Cast iron carrier rings, () machined grooves, are provided for all the pistons.