crownwork

crownworkcrownwork[ˈkraunwə:k]n.1.■齿冠成形术,人造齿冠

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crownwork['krəunwə:k]n.1.■【堡垒】外围防御工事2.■【牙科学】 牙冠术；人造齿冠

见:crown: crownwork