单项选择题
A.P、Ti B.Al、C C.CO、H2O D.C、P
实际生产中炉渣中的Al2O3含量一般不宜超过(),否则炉渣粘度大。
A.13%~15% B.14%~16% C.15%~18% D.16%~19%
A.1.0%~1.5% B.1.2%~1.6% C.1.3%~1.7% D.1.5%~2.0%
A.800KPa B.1000KPa C.1500KPa
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