- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
【B型題】鑄造金屬基托厚度約為（）
A.0.25mm
B.0.5mm
C.0.75mm
D.1mm
E.2mm
A.0.25mm
B.0.5mm
C.0.75mm
D.1mm
E.2mm
