(来学网)铸造蜡要求流动变形率为
  • A.
    (来学网)小于0.1%
  • B.
    (来学网)小于0.5%
  • C.
    (来学网)小于1%
  • D.
    (来学网)大于0.5%
  • E.
    (来学网)大于1%