A .25mm
B .40mm
C .60mm
D .80mm
[填空题] 焦炭粒度大于()的焦炭称为冶金焦。
[单选题]焦炭粒度大于()冶金焦。A .25mmB .40mmC .60mm
[填空题] 冶金焦炭是用于()焦炭。
[单选题]焦炭粒度大于()叫冶金焦。A .10mmB .25mmC .40mmD .60mm
[单选题]冶金焦是指()以上的焦炭。A .60mmB .80mmC .25mm
[单选题]用于高炉炼铁大于()的焦炭即为冶金焦A .25mmB .20mmC .15mmD . D.40mm
[单选题]焦炭粒度大于()叫冶金焦,用于冶炼铁。A .25mmB .40mmC .80mm
[单选题]焦炭粒度大于()称冶金焦,用于高炉冶炼。A .25mmB .40mmC .80mm
[单选题]焦炭粒度大于()叫冶金焦,可用于高炉冶炼。A . 25mmB . 40mmC . 60mmD . 80mm
[单选题]冶金焦质量标准允许焦炭最高含硫量不得大于()A .1%B .2%C .3%D . D.4%