(来学网)磷酸盐包埋材料的综合膨胀率为
  • A.
    (来学网)-0.3%~-1.3%
  • B.
    (来学网)-1.3%~-2.0%
  • C.
    (来学网)0
  • D.
    (来学网)0.3%~1.3%
  • E.
    (来学网)1.3%~2.0%