A.印模比較正確 B.印模邊緣完整 C.印模組織面光滑 D.操作簡單,花時(shí)間少 E.材料體積改變小
A.2~4mm B.4~6mm C.5~8mm D.8~10mm E.10~12mm
A.1/4 B.1/3 C.1/2 D.2/3 E.3/4