(来学网)PFM金属基底冠厚度一般为
  • A.
    (来学网)0.1~0.2mm
  • B.
    (来学网)0.2~0.3mm
  • C.
    (来学网)0.3~0.5mm
  • D.
    (来学网)0.5~0.7mm
  • E.
    (来学网)0.7~1.00mm