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地质六队近年施工的三个平硐，深度均在800米以上，掘进循环作业中，装岩运输作业时间一般占35—41％。1980年开始逐步采用CJ—12内燃牵引机车牵引YS—25型梭式矿车运输，提高了效率，减轻了劳动强度，很受工人同志的欢迎。但由于巷道的不断延伸，运输距离逐渐增加，内燃牵引机车经过一段时间的使用，柴油机性能有所下降，排污量增大，净化效果愈来愈不理想。去年在YD35~#平硐深度达1200米时，通风状况良好，排烟时间一般为30分钟左右，但当进行运输作业时，尤其是工作面附近空气污染，
In recent years, the construction of geological six teams have three aditts with a depth of more than 800 meters. In tunneling operations, rock transport operations generally take 35-41% of the time. Since 1980, the CJ-12 internal combustion traction locomotive has been gradually adopted to transport the YS-25 shuttle shuttle, which has raised the efficiency and reduced the labor intensity, and is very popular with the workers. However, due to the continuous extension of the roadway, the transportation distance gradually increases. After a period of use of the internal combustion traction locomotive, the performance of the diesel engine has declined and the amount of sewage has been increased, so that the purification effect is getting worse and worse. Last year in YD35 ~ # adit depth of 1,200 meters, the ventilation is good, the exhaust time is generally 30 minutes, but when carrying out transport operations, especially near the face of air pollution,