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自1999年以来,全铁路共投入运用装交叉支撑转向架的各型货车约2·5万辆,其中装用转8G型转向架的新造货车约为14 000辆,装用转8AG型转向架的改造货车1 900辆。转8AG、转8G型转向架在铁路货车提速转向架中的比例较大,在检修过程中发现转8AG、转8G型转向架下旁承座断裂的问题较严
Since 1999, the entire railway has invested a total of about 25,000 types of trucks equipped with cross-bracing bogies, of which about 14,000 new trucks with 8G bogies have been retrofitted, with the retrofitting of 8AG bogies 1 900 trucks. Turn 8AG, turn 8G bogie in the speed of the freight car bogie in a larger proportion, found in the repair process turn 8AG, turn 8G bogie bearing under the more stringent fault problem