Through analyzing the special customer line loss,the paper expounds the existing reason of negative line loss in detail,and briefly expounds the expressive form on line loss rate to customer stealing power,and points out the solving negative line loss s method and the preventing stealing power s measure.

The SDH optical transsimision network for speech can t fit to provide private circuit of important client.

Research on the construction technology of a beam fabrication yard in passenger dedicated line;

Track laying technology of newly built Shijiazhuang-Taiyuan passenger dedicated line;

Experimental research of graded broken stone technology in the transition section of Wu-Guang passenger dedicated line;

Experimental study on friction loss of prestressed pipe for 32 m simply supported box girder of passenger special line;

Analysis of train running performance on a basket handle arch bridge of concrete-filled steel tube on passenger special line;

Construction method of cast-in-situ beam in passenger special line by support method;

Construction technology of HPC of prestressed concrete box beam for passenger dedicated railway;

Get an all-round understanding of the standard system for passenger dedicated railway and establish a new concept of railway construction;

Traction substation connection type and catenary fault judging for passenger dedicated railway;