(来学网)光固化复合树脂充填时,分层光照每层的厚度不超过
  • A.
    (来学网)0.5mm
  • B.
    (来学网)1mm
  • C.
    (来学网)1.5mm
  • D.
    (来学网)2mm
  • E.
    (来学网)2.5mm