• 2022-06-05
    Which process involves dipping a seed crystal into a molten silicon
    liquid and pulling it upwards at a specific rotational speed?
    A: Multicrystalline ingot casting
    B: Float-zone pulling
    C: Czochralski casting
    D: Silicon wire casting
  • C

    内容

    • 0

      Centrifugal casting is suitable to produce ( ).

    • 1

      General characteristics of plaster-mold casting contain

    • 2

      Casting solidification is generally divided into three types:__________, __________ and __________.

    • 3

      Some casting methods are suited to mass production.

    • 4

      investment casting是指哪种铸造?