(来学网)瓷粉烧结的收缩率为
  • A.
    (来学网)5%~10%
  • B.
    (来学网)15%~20%
  • C.
    (来学网)35%~40%
  • D.
    (来学网)45%~50%
  • E.
    (来学网)70%~80%