男人J桶女人P免费视频,无毛一线天嫩穴19,av频在线观看免费高清下载,淫欲淫色淫香视频,成人网站免费观看视频,亚洲精品生活一区二区三区,国产一区二区三区91,日本精品床戏做爰

It implements the integration management idea of locomotives and vehicles proposed by the National Railway Group, fully integrates the advantages of professional resources of locomotives and vehicles, based on the Interim Measures for the Operation and Maintenance Management of 160 km/h Power-Concentrated Locomotives of the General Railway Administration [2018] No. 200, focuses on the management objectives of integration of locomotive and vehicle operations, integration of quality tracing and integration of safety control, realizes the information management of integrated scheduling and integration management of locomotives, management of D-level repair operations, 181 quality control of locomotives and quality analysis and control of locomotives, establishes an information center, achieves the requirements of "data locomotives", ensures the effective collection, management and analysis of D-level operations and 181 quality information by the bureau/section, and realizes the interoperability and sharing of locomotive operation information.