共 50 条
- [42] COMPUTERIZED MONITORING SYSTEMS IN DEEP COAL-MINES 21ST APPLICATION OF THE COMPUTERS AND OPERATIONS RESEARCH IN THE MINERAL INDUSTRY, 1989, : 701 - 710
- [43] CONVEYOR BELTS IN GERMAN BROWN COAL-MINES KAUTSCHUK GUMMI KUNSTSTOFFE, 1993, 46 (01): : 22 - 27
- [44] COOLING HOT, DEEP GERMAN COAL-MINES E&MJ-ENGINEERING AND MINING JOURNAL, 1990, 191 (02): : 27 - 29
- [45] HORIZONTAL DRILLING TECHNIQUES IN BRITISH COAL-MINES TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION A-MINING INDUSTRY, 1991, 100 : A11 - A21
- [46] DESIGN OF BACKFILL AS SUPPORT IN POLISH COAL-MINES JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY, 1994, 94 (08): : 218 - 226
- [49] RESPIRABLE DUST SAMPLING IN CZECHOSLOVAK COAL-MINES AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL, 1977, 38 (06): : 247 - 252