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- coal dust concentration 煤粉浓度
- His face and hands were covered with coal dust. 他的脸和双手沾满了一层煤灰。
- Comparative Analysis on the Change of Coal Dust Concentrations before and after Dust Control in a Thermoelectric Plant 某热电厂污染治理前后煤尘浓度的比较分析
- His face and hands were covered with grime from the coal dust. 他的脸和双手沾满了一层煤灰。
- A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling. 煤砖,炭砖把煤灰,木炭或锯木灰和木片压缩制成的砖块状物,用作燃料和点火
- His face and hands were coverd with grime from the coal dust. 他的脸和双手都沾满了煤灰和污垢。
- He became ill after breathing in a lot of coal dust. 他吸入大量的煤灰之后病了。
- The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases. 现代城市是由大得怕人的大厦和充斥着难闻的汽油味,煤灰和有毒气体和又阴暗又狭窄的街道所组成。
- He became ill after breathing coal dust for many years. 他因多年吸入煤灰而生病了。
- His face and hands were covered with grime from the coal dust . 他的脸和双手沾满了一层煤灰。
- Coal worker's pneumoconiosis results from inhalation of coal dust. 煤炭工人的煤尘肺是由吸入煤矿粉尘引起。
- He carried out trial runs using rockets stuffed with coal dust. 他用填满煤粉的火箭式烟火装置来进行试验。
- The seheme has preceptorial function to inducing the dust concentration and improving the job condition. 本方案对于降低综放工作面粉尘浓度,改善工人作业环境具有指导作用。
- Sublevel Mechanized caving method shows the characteristics of high out-put,more dust sources,high dust concentration and difficult to control. 煤矿综采放顶煤工作面开采强度大、产尘尘源多、粉尘浓度高,因而对尘毒的治理难度大。
- Waste from anthracite coal mines,consisting of fine coal,coal dust,and dirt. 无烟煤废渣无烟煤煤矿的废弃物,由细粒无烟煤、煤尘和尘土构成
- In the process of determination, Excel tables are used to calculate dust concentration to avoid man-made errors and improve accuracy. 为减少人为误差 ,我们采用Excel电子表格的数据处理能力 ,对测定的粉尘浓度进行统计计算 ,提高其准确度。
- The new type fume analog equipment can produce turbid gas and its velocity of flow and dust concentration can be known and adjusted. 新研制一种烟气模拟装置,能产生已知流速和含尘浓度的混浊气体,且浓度和流速可调。
- Waste from anthracite coal mines, consisting of fine coal, coal dust, and dirt. 无烟煤废渣无烟煤煤矿的废弃物,由细粒无烟煤、煤尘和尘土构成
- The optimal lectotype of entity structure in the condition of flue gas with high specific resistivity and high dust concentration has been studied. 研究了高比电阻和高含尘浓度烟气条件下本体结构的优化选型;
- He moved the coal cakes away, and there was only coal dust left on the floor. 他把煤饼搬走了,地下只剩下一层煤末。