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Page 1: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 2: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 3: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 4: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 5: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 6: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 7: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 8: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 9: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 10: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 11: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 12: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 13: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 14: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 15: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 16: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 17: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 18: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 19: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

Page 20: cese.cumt.edu.cn/_upload/article/files/99/48/f... · U.S. Longwall Mining Technology— Evolution from an Unknown to the World Standard Syd S. Peng, Academician,

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