(来学网)塑料基托的厚度一般为
  • A.
    (来学网)0.5mm
  • B.
    (来学网)0.8mm
  • C.
    (来学网)1.0mm
  • D.
    (来学网)1.5~2.0mm
  • E.
    (来学网)2.5mm