How to write dust separation?

Dust (pronounced chén) refers to flying dust. The word "Sanlu" and "Earth" in Xu Shen's Shuowen in the Eastern Han Dynasty means that the deer raise dust. The overlapping parts of the regular script slips were removed, leaving only a "deer". Now the simplified word "dust" is also a cognitive word from "small" to "earth"

The sentence of dust is as follows:

1, electrostatic precipitator sentence: Compared with conventional electrostatic precipitator and bag precipitator, it has the advantages of small floor space, low investment, large filtration flow, wide application range and simple maintenance, and is a new type of air filtration equipment.

2. Sentencing of pneumoconiosis: The Center for Disease Control and Prevention reported that from 1968 to 2006, pneumoconiosis among coal miners caused 289 12 deaths, all over 25 years old.

3. Making sentences by reducing dust: The grain size of the loess section in Fujiazhuang, Qingzhou, this area is systematically analyzed, and compared with the quaternary loess-paleosol in the loess plateau, the modern dust fall in Beijing and the river samples near the section.

4. Making sentences in the world of mortals: Playing Salome, this is the first time I have no clue but my passion is overflowing. I hope this thoughtless idea can lead me to the light. I think this may be because I don't think of myself as a full-time director. Acting is my job. I think this should be my whole life.

5. Dust verdict: Now the lawyer is still trying to recover the loss, but this is Italy after all, a bit like another planet, and when everything is settled, I may become a skeleton dust.

6, floating dust sentence: You can control floating dust by spraying water or oil on the road, especially on the roads around medical and health facilities and food centers. In addition, it is necessary to restrict or prohibit vehicles in certain areas from entering the resettlement area.