CMYK颜色模式采用哪几种基本色彩来配制颜色()
A.红、绿、蓝、黑
B.红、绿、蓝
C.青、红、黄、黑
D.青、品红、黄、黑
参考答案:D
涂布不透明层瓷时,如基底冠有缩孔,可导致()
A.气泡
B.裂纹
C.色泽不佳
D.牙体层附着不良
E.金瓷冠口内崩瓷
If I was you, I would not take part in the game.