Exploring ways of reforming diesel locomotive minor and auxiliary repair system;

This paper analysed the problems of original minor auxiliary repair and discussed the practice and actual effect of reform of inspection and repair system which adopts a distributed repair.

The major-minor system is established to widen students’ knowledge, enhance their social adaptive ability, and cultivate cross-disciplined and multiple talents.

Based on the inspection of the assistant police system in the common law countries(regions),this article made an analysis of the current situation of the assistant police system in China and pointed out that it would be of certain reference to keep the standardization of this system to be more legalized,market-oriented,auxiliary,and socialized.

In every big Chinese cities,the planned and preventive maintenance system has been applied in urban rail transit.

Based on the features of structure,service-repair of high speed EMU (electric multiple unit) and foreign experience,some essentialities in operation and maintenance of high speed trains are discussed,maintenance system of EMU briefly analyz.