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美国劳动、矿山安全和卫生部门,对井下使用柴油设备,考虑了下述几方面的问题: 1.发动机排放气体的毒性或有害物质; 2.甲烷与空气混合物的燃烧;
The U.S. Department of Labor, Mine Safety and Health, which uses diesel equipment downhole, considers the following issues: 1. Toxic or hazardous substances in engine exhaust gases; 2. Combustion of methane and air mixtures;