Discussion on Strengthening the Management of Railway Special Lines in China;

There are a lot of local railway special lines connected with the electrified railways in the region of the Beijing Railway Administration.

With the computer interconnection control system substitution relay interconnection control system,realizes the Huai Nan mining area railroad private line equipment promotion,the improvement labor intensity,enhances the transportation efficiency.

The Paper elaborates the possibility and necessity of special railway to be constructed at Qujing nonferrous base of Yunnan Metallurgical Group Corporation and makes comparion and analysis on the economic effects,which is helpful to the reasonability of general layout and the longterm development of the base.

An introduction to three new methods for unloading oil from rail tankers.;