- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
鋼制油罐的鋼板厚度不應(yīng)小于（）cm.
A.3
B.5
C.8
D.10
A.3
B.5
C.8
D.10
