79 急速腭擴大器(Rapid palatal expander)擴張量每天不能大於:
(A)0.10 mm
(B)0.25 mm
(C)0.5 mm
(D)3.0 mm
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統計: A(23), B(44), C(34), D(57), E(0) #900582
統計: A(23), B(44), C(34), D(57), E(0) #900582