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coal dust是什么意思
发布时间：2020-11-26 作者： 英语查
coal dust 是什么意思 |
中文翻译与英英解释 | 煤粉。
| | | coal: n. 1.煤，煤块，煤堆。 2.〔pl.〕〔美国〕(一堆 ... | | dust: n. 1.尘，灰尘，尘土，尘埃。 2.〔英国〕垃圾，废品 ... | |
| Coal dust is a fine powdered form of coal, which is created by the crushing, grinding, or pulverizing of coal. Because of the brittle nature of coal, coal dust can be created during mining, transportation, or by mechanically handling coal. |
例句与用法 | 1. | 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，煤灰和有毒气体的又阴暗又狭窄的街道所组成。
| | 2. | He became ill after breathing coal dust for many years
他因多年的吸进煤灰而生病了。
| | 3. | Enclosed case decreases pollution by coal dust
采用密闭壳体，粉尘污染小。
| | 4. | Research and control of coal dust in fully mechanized face
综采工作面煤尘的研究与治理
| | 5. | Coal dust weight control system of the rotary kiln
回转窑煤粉计量控制系统
| | 6. | Study on dna damage induced by coal dust in vitro
损伤作用的体外实验
| | 7. | 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。
| | 8. | Performance optimization of coal dust extraction
粉尘浓度可降低至
| | 9. | Study of influence of coal dust on low - concentration gas explosion
煤尘对低浓度瓦斯爆炸的影响研究
| | 10. | Health standard for respirable coal dust in the air of workplace
作业场所空气中呼吸性煤尘卫生标准
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