登入
選單
返回
Google圖書搜尋
OPTIMIZATION OF COAL RECOVERY FROM OPEN PITS.
Canada. DEPARTMENT OF ENERGY, MINES AND RESOURCES. CANADA CENTRE FOR MINERAL AND ENERGY TECHNOLOGY.
出版
Canada. Department Of Energy, Mines And Resources. Canada Centre For Mineral And Energy Technology
, 1979
URL
http://books.google.com.hk/books?id=ys4yzwEACAAJ&hl=&source=gbs_api