The percentage of standard taphole arose from 83% to 100% after the taphole clay was used to tapholes of blast furnace.
使用这种性能有水炮泥后,铁口合格率由以前的83％提到100％。
The percentage of standard taphole arose from 83% to 100% after the taphole clay was used to tapholes of blast furnace.
使用这种性能有水炮泥后,铁口合格率由以前的83％提到100％。
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