ISBN: 9787550918733 - 工作面前方煤体采动卸压规律及其与瓦斯运移相关性 (1 resultados)

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Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 55,74
Envío por EUR 16,15Se envía de China a Estados Unidos de AmericaCantidad disponible: 5 disponibles
paperback. Condición: New. Paperback. Pub Date: 2017-10-01 Pages: 108 Language: Chinese Publisher: the Yellow River water conservancy press. the working face in front of the coal mining unloading rule and its correlation and the gas migration using the rock mechanics. percolation mechanics. discusses the coalface ahead and unloading process and the gas migration of deformation and destruction of relevance. aims to grasp. …