The plastometer thickness of No.2 coking coal and 1/3 coking coal increased dramatically by adding modified coal tar pitch, meanwhile, the coal caking indexes increased dramatically.
随着改质沥青的入,21/3的胶质厚度显著,2的粘结性指数也显著。
The plastometer thickness of No.2 coking coal and 1/3 coking coal increased dramatically by adding modified coal tar pitch, meanwhile, the coal caking indexes increased dramatically.
随着改质沥青的入,21/3的胶质厚度显著,2的粘结性指数也显著。
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