The comprehensive application of powder-coal ash is an efficient way to improve environment and reduce the usage of land, and it has good characteristic of mixed into cement road construction.
粉煤灰的综合利用,是改善环境、减少土地占用的有效途径,而其掺入水泥筑路,具有良好的性能。
2
She smelled of talcum powder and Coal Tar Soap, Jimmy thought, just like his Aunty Freda.
吉米想,她闻起来有股爽身粉和碳油皂的味道,就像他的弗雷达阿姨一样。
3
Powdercoal activated carbon can be made according to user requirements in different adsorption capacity of different bleaching, the level of activated carbon with different fineness.