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1973年1月30～31日在匹兹堡集中了几百名采矿人员,参加美国矿务局主持的座谈会,讨论关于在坑内矿山使用柴油设备的问题。会议目的是研究柴油设备在坑内的有效使用,以改进井下工作人员的安全。在坑内使用柴油设备,最直接的好处是不用拖曳电缆,避免人身触电的可能性和明显地减少由于电气故障引起的火灾;同时,本身齐全的柴油设备具有自由走动和在事故发生的情况下移动快的适应性。会上发表了17篇论文,主要为:柴油发动
On January 30-31, 1973, hundreds of mining workers were concentrated in Pittsburgh to attend a forum hosted by the United States Bureau of Mines to discuss the use of diesel equipment in mines at pit. The purpose of the meeting was to study the effective use of diesel equipment in pits to improve the safety of underground workers. The immediate advantage of using diesel equipment in a pit is that it does not drag the cable, avoids the possibility of electric shock and significantly reduces the risk of fire due to electrical faults, and meanwhile, the complete diesel equipment has the freedom to move around and move in the event of an accident Fast adaptability. At the meeting published 17 papers, mainly as: diesel launch