ISBN 10 : 7502064524 ISBN 13 : 9787502064525
Vendeur : liu xing, Nanjing, JS, Chine
EUR 70,60
Autre deviseQuantité disponible : 5 disponible(s)
Ajouter au panierpaperback. Etat : 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.