40. 下列何者為二氧化矽成分≧15wt%的矽底瓷(silicate based ceramics)?
(A) e. max press
(B) Procera All Ceram
(C) In-ceram Spinell
(D) In-ceram YZ

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統計: A(1), B(0), C(0), D(0), E(0) #3986246