22.下列何者非mineral trioxide aggregate(MTA)的主要成分?
(A)aluminum oxide
(B)tricalcium silicate
(C)tricalcium aluminate
(D)tricalcium oxide
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統計: A(732), B(119), C(146), D(168), E(0) #1947345
統計: A(732), B(119), C(146), D(168), E(0) #1947345