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- coal dust deposition 煤尘沉着病
- His face and hands were covered with coal dust. 他的脸和双手沾满了一层煤灰。
- 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。
- Results showed that among 13 tree species the dragon juniper (Juniperus chinensis) had the highest dust deposition rates on their leaves. 结果显示13种常见植物中以龙柏乾叶片对尘土滞尘率为最高,而褔木为最低。
- 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。
- Presents the dust deposition in ventilating and air conditioning ducts, analyses the current study status, and puts forward the future study direction. 摘要介绍了通风空调管道内的灰尘沉积情况同,分析了通风空调管道内灰尘沉积的研究现状,指出了下一步的研究方向。
- Indicates the disadvantages of ordinary forced blow coolers, analyses the basic theory of forced heat transfer and the function of avoiding dust deposition of screwed pipes. 摘要指出了普通强制吹风冷却器存在的问题,分析了螺纹管强制传热的机理、防止积灰的功能。
- 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
- 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
- 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。
- This paper emphasis on the designs for access opening and the relationship between configuration of filter and dust deposition, provides some databases to designs and conducts in HVAC systems. 重点对其中清洗口的设计问题和过滤器配置与风管积尘的关系进行了研究和探讨,为今后在空调通风系统的设计与施工提供一些参考数据;
- It took me a whole afternoon to make this coal dust into coal cakes. 我用了一下午的时间把煤末做成了这些煤饼。
- 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