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[ú��֪ʶ]GLOSSARY OF MINING TERMS����3 |
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08-02 |
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[ú��֪ʶ]GLOSSARY OF MINING TERMS����4 |
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08-02 |
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[ú��֪ʶ]GLOSSARY OF MINING TERMS����5 |
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08-02 |
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[ú��֪ʶ]��ɽ��ȫ����1. |
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08-01 |
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[ú��֪ʶ]��ɽ��ȫ����2. |
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[ú��֪ʶ]��ɽ��ȫ����3. |
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[ú��֪ʶ]��ɽ��ȫ����4. |
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[ú��֪ʶ]ú��Ƽ�Ӣ���1. INTRODUCTION |
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[ú��֪ʶ]ú��Ƽ�Ӣ���2. MODERN USES OF COA |
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[ú��֪ʶ]ú��Ƽ�Ӣ���3. FORMATION AND COMPONENTS OF COAL |
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[ú��֪ʶ]ú��Ƽ�Ӣ���4. COAL DEPOSITS AND RESERVES |
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[ú��֪ʶ]ú��Ƽ�Ӣ���5. BRIEF INTRODUCTION TO COAL MINING |
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[ú��֪ʶ]ú��Ƽ�Ӣ���6. LONGWALL MINING SYSTEMS |
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[ú��֪ʶ]ú��Ƽ�Ӣ���7. LONGWALL MINING TECHNIQUES |
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[ú��֪ʶ]ú��Ƽ�Ӣ���8. COAL CUTTING MACHINES SHEARER |
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[ú��֪ʶ]ú��Ƽ�Ӣ���9. POWERED SUPPORTS |
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[ú��֪ʶ]ú��Ƽ�Ӣ���10. ARMORED FACE CONVEYOR |
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[ú��֪ʶ]ú��Ƽ�Ӣ���11. VENTILATION |
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[ú��֪ʶ]ú��Ƽ�Ӣ���12. METHANE CONTRAL |
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[ú��֪ʶ]ú��Ƽ�Ӣ���13. Dust Control [1] |
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[ú��֪ʶ]ú��Ƽ�Ӣ���14. MINE FIRES [1] |
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[ú��֪ʶ]ú��Ƽ�Ӣ���15. ENVIRONMENTAL ISSUES [1] |
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[ú��֪ʶ]ú��Ƽ�Ӣ���16. MINING SUBSIDENCE |
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[ú��֪ʶ]ú��Ƽ�Ӣ���17. SUB-LEVEL CAVING [1] |
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