ISBN 10: 7502064524 ISBN 13: 9787502064525
Seller: liu xing, Nanjing, JS, China
US$ 80.50
Convert currencyQuantity: 5 available
Add to basketpaperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2018-03-01 Publisher: four large coal industry publishing house book content. respectively introduces the related concepts of occupational hazard factors. evaluation and regulation;Fine dust. the basis of the ultrafine particle characteristics. mechanism of dust sampling and testing;Dust control of relevant content. mainly including ventilation and production process optimization and coal seam water injection adequately. the effective spray.