- 搜標(biāo)題
- 搜題干
- 搜選項
單項選擇題
含碳量在（）鋼稱為低碳鋼
A.0.25%~0.6%
B.0.15%~0.6%
C.0.6%~0.8%
D.0.6%~2.11%
A.0.25%~0.6%
B.0.15%~0.6%
C.0.6%~0.8%
D.0.6%~2.11%
