典型瓦斯地质灾害与防治 - Tapa blanda

Geological Hazard and Control typical gas(Chinese Edition)

paperback. Condición: New. Language:Chinese.Pages Number: 220 Publisher: Yellow River Water Conservancy Press Pub. Date :2009-07. China s mining industry is mining geology The most frequent disasters. one of the industries. Henan is China s coal-producing province. is the country s leading gas hardest hit province. more than 50% of the coal mine for the high gas or coal and gas outburst. Conducted a special study of this book. selected since the founding of New China in Henan Province. a large number of geological disa. Nº de ref. del artículo: J54407

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