1·Dust control technology, long life, with LED lighting and alarm lamp.
防尘技术，寿命长，自带LED照明，警报灯。
2·Objective To provide the appropriate dust control measures for jade carving operations.
目的提供玉石雕刻行业适宜的防尘技术措施。
3·Prewetting of coal seams by water infusion is an essential measure for dust control at working faces.
煤层注水预湿是采煤工作面防尘的治本措施，添加湿润剂是改善煤层注水效果的重要途径。
4·The hygienic evaluation on effectiveness of ventilation and dust control measures for the 18 iron mines has been made in this paper.
对18家大中型井下铁矿通风防尘技术措施效果进行了卫生学评价。
5·State of art and new developments on industrial dust control technology in this country are introduced.
介绍了我国工业防尘技术的现状和新进展。