共 50 条
- [2] IMPROVEMENTS IN THE AUTOMATION OF UNDERGROUND WORKINGS IN COAL-MINING [J]. BRENNSTOFF-WARME-KRAFT, 1987, 39 (05): : 233 - 237
- [5] CONVEYOR BELTS FOR UNDERGROUND COAL-MINING - REQUIREMENTS AND CHARACTERISTICS [J]. KAUTSCHUK GUMMI KUNSTSTOFFE, 1993, 46 (01): : 37 - 50
- [8] QUARTZ EXPOSURE LEVELS IN THE UNDERGROUND AND SURFACE COAL-MINING INDUSTRY [J]. AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL, 1995, 56 (10): : 1002 - 1007