3D打印机的贵贱主要取决于:()。
A、模型大小
B、销售地点
C、打印精度
D、生产商
参考答案:C
Overuse of computers largely to the failure of his eyesight,which is also a warning message for us all.
A.contributes
B.turns
C.devotes
D.adjusted
烤瓷熔附金属冠不透明瓷厚度一般为()
A.0.1mm
B.0.2mm
C.0.3mm
D.0.5mm
E.1.0mm