(来学网)遮色瓷厚度应掌握在
  • A.
    (来学网)1~2mm
  • B.
    (来学网)1~0.2mm
  • C.
    (来学网)2~0.3mm
  • D.
    (来学网)2~3mm
  • E.
    (来学网)越薄越好
正确答案:
B