1.
Study on Technology of Eliminating the Foggy Yarn in the Spinning Department of the Cotton Mill;
纺织细纱车间“煤灰纱”防治技术的研究
2.
Numerical Simulation and Analysis about the Reason of Coal-dust Stained Foggy Yarn in Spinning Workshop
细纱车间“煤灰纱”成因的数值模拟与分析
3.
Study on the Way of Sending Clean Air to Bobbin Yarn to Eliminate the Foggy Yarn in Spinning Department
防治细纱管纱形成“煤灰纱”的洁净送风方式的研究
4.
heap coal-dust,etc on(the fire in a fireplace or furnace)so that the fire burns slowly for a long time
（用煤灰等）封炉火.
5.
Evening hours, girls in grey gauze.
黄昏时分，姑娘们穿着灰色网纱衫。
6.
mechanical ashed producer
机械清灰煤气发生炉
7.
The chimney was choked with soot.
烟囱被煤灰堵塞了。
8.
flecks of dust, soot, dandruff
灰尘的微粒、 煤炱、 头皮屑.
9.
Sift out ashes from the cinders
把煤渣中的灰筛出来
10.
Sweep a chimney clear of soot.
把烟囱的煤灰清除乾净。
11.
A miner whose face was caked with soot.
脸上布满煤灰的矿工
12.
stain with a dirty substance, such as soot.
因煤烟烟灰而留下污点。
13.
You'vegot a smudge of soot on your cheek.
你脸上有块煤灰污迹.
14.
Research on Adsorption Behavior of DNBP on Fly Ash and Modified Fly Ash;
粉煤灰及改性粉煤灰对DNBP的吸附行为研究
15.
Microstructure of Fly Ash and Hydration of Cementitious Material with Fly Ash;
粉煤灰结构及粉煤灰胶凝材料水化的微观研究
16.
The Comprehensive Utilization of Powdered Coal Ash -- Development of Bearing Brick of Powdered Coal Ash By Steam Curing;
粉煤灰的综合利用——蒸养粉煤灰承重砖的研制
17.
Study on the Modification of Fly Ash and Removal of Fluoride in Aqueous Solution Using Modified Fly Ash
粉煤灰改性及改性粉煤灰除氟性能研究
18.
Alkaline activated fly ash in cement-fly ash system
碱对水泥-粉煤灰体系中粉煤灰活性的激发作用