Language:Chinese.paperback.Pub Date:2023-10.publisher:Metallurgical Industry Press.description:Paperback. Pub Date: 2023-10 Pages: 116 Publisher: Metallurgical Industry Press Research and Application of Gas Control Technology for U-shaped Ventilation Coal Mining Face in High Gas Mines takes the mining of Jingfu Coal Mine as the background. and
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Librería: liu xing, Nanjing, JS, China
paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2023-10 Pages: 116 Publisher: Metallurgical Industry Press Research and Application of Gas Control Technology for U-shaped Ventilation Coal Mining Face in High Gas Mines takes the mining of Jingfu Coal Mine as the background. and demonstrates the good working ability of U-shaped ventilation to control gas through a large amount of practical data. The book is divided into 7 chapters. and the main contents include introduction. analysis of gas sources in co. Nº de ref. del artículo: DS056241
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