(来学网)构筑切端瓷及透明瓷应超出原有形态的多少,以补偿其收缩
  • A.
    (来学网)5%~10%
  • B.
    (来学网)10%~15%
  • C.
    (来学网)15%~20%
  • D.
    (来学网)20%~25%
  • E.
    (来学网)30%
正确答案:
C