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技术进步在Ｓｅｌｂｙ［英］Ａ·Ｈｏｕｇｈｔｏｎ１９７４年最初设想的Ｓｅｌｂｙ工程，现已基本完工，工程的全部费用为１３亿英磅。第一个矿井（Ｗｉｓｒｏｗ矿）于１９８３年开始生产，Ｒｉｃｃａｌｌ、Ｓｔｉｌｌｉｎｇｆｌｅｅｔ和Ｗｈｉｔｅｍｏｏｒ矿随后于１９８...
Technological progress The Selby project originally envisaged by Selby A. Houghton in 1974 has now been basically completed. The total cost of the project is 1.3 billion pounds. The first mine (Wisrow mine) began production in 1983, followed by Riccall, Stillingfleet, and Whitemoor mines at 198...