ISBN: 9787502056995 - 全新 正版 沙曲矿区瓦斯综合治理技术体系9787502056995 梁椿豪煤炭工业出版社工业技术 全新l (1 Ergebnisse)

Hardcover. Zustand: New. HardCover.Pub Date:2021-01-01 Pages:241 Language:Chinese Publisher:Coal Industry Press Coal mine safety production is related to the overall situation of economic development and social stability. and it is related to the safety of people's lives and property. and gas disasters are the safety and efficiency of mines The production number one killer. mine gas prevention and control is a worldwide issue.?Gas is a source of disasters. as well as a clean energy that can be developed and utilized.…