47 下列何者不是被動(靜態)之保隙裝置?
(A)舌側弓線裝置(lingual arch)
(B)帶環線裝置(band and loop appliance)
(C)指樣彈線裝置(finger spring appliance)
(D)南斯氏裝置(Nance appliance)
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統計: A(23), B(24), C(228), D(48), E(0) #888922
統計: A(23), B(24), C(228), D(48), E(0) #888922