This article concludes the test result and production experience of the internal puddler aboutinjecting the bituminous and anthracite mixed coal.

本文归纳了国内炼铁工作者关于高炉喷吹烟无混合煤的试和生产经。

UINTAITE Mastic Asphalt is an excellent natural bituminous material, which can improve the performance of asphalt pavement when mixed with conventional asphalt mixture.

北美青是一种优质的天然青材料,与传统的青混合料混合使用,可改善青路面的使用性能。