(来学网)石膏包埋材料具有固化膨胀、吸水膨胀、热膨胀性质,ADA标准中Ⅱ型包埋材料的吸水膨胀为
  • A.
    (来学网)0~0.5%
  • B.
    (来学网)0.6%~0.8%
  • C.
    (来学网)1.2%~2.2%
  • D.
    (来学网)0.9%~1.1%
  • E.
    (来学网)2.3%~3.0%