it is used for materials transferring, avoiding flying dust and material moisture.
用于中转物料,避免粉尘飞扬和物料受潮。
cement flying dust decreased the yield of rice and rape at some farmlands, but did not produce harmful effect on its quality. there was an obvious increase in calcium content in polluted soil.
second, plants can purify the air in the city. the trees and grasses not only absorb caron dioxide and the flying dust but also release oxygen.
其次,植物可以凈化空气,植物不仅吸收二氧化碳,而且释放氧气。
the adhesive dust-inhibitor is specially developed to suppress flying dust over tailings dam. the performance of dust-inhibitor has been tested.
介绍了一种防尘抑制剂,这是专门针对尾矿库表面扬尘而研制的,并对其各方面性能进行了实验研究。
this paper tries to control the coal dust by dyna-wave dust removing technology and to study the technical feasibility and adaptability of removing flying dust in coal mine by dyna-wave washer.