求高手英语高手翻译!汉译英!!翻译的好了追加奖励~~
求高手英语高手翻译!汉译英!!翻译的好了追加奖励~~
日期:2011-05-20 19:10:15 人气:1
Six Mine in Pingdingshan City in Pingdingshan, for one new mine under Pingdingshan Group. Mine is relatively simple geological conditions, the second a coal seam mining stability, seam dip angle of about 15 °, the average coal seam thickness of 4.05m. Min