單項選擇題A的溶碳能力為()。
A.0.77%-2.11%
B.0.0008%-0.0218%
C.0.0218%-0.77%
D.0%-2.11%
A.0.77%-2.11%
B.0.0008%-0.0218%
C.0.0218%-0.77%
D.0%-2.11%