机译:用于可吸入煤矿粉尘控制的第三代屋顶锚杆雨棚气幕的实验室结果
[1]Centers for Disease Control anti Prevention, National Institute for Occupational Safety and Health, 626 Cochrans Mill Rd.,Pittsburgh,PA 15236,USA;
[1]Centers for Disease Control anti Prevention, National Institute for Occupational Safety and Health, 626 Cochrans Mill Rd.,Pittsburgh,PA 15236,USA;
[1]Centers for Disease Control anti Prevention, National Institute for Occupational Safety and Health, 626 Cochrans Mill Rd.,Pittsburgh,PA 15236,USA;
[1]Centers for Disease Control anti Prevention, National Institute for Occupational Safety and Health, 626 Cochrans Mill Rd.,Pittsburgh,PA 15236,USA;
[2]J.H Fletcher & Co.,Inc.,402 High St.,Huntington,WV 25705,USA;
Roof bolter; Respirable dust; Canopy air curtain; Coal mining;