Most systematic mural paintings of Kizil caves were drew in those Central-pillar caves.

The Central Column Grotto is the most typical representative of the so-called "Kizil′s Style Grotto"which had been excavated by Kucha′ s people on the basis of the absorption of the external Buddhism art,and is one of the most important grotto among all the Buddhist grotto remains in China.

This paper introduces structure and application of stator s central post designed by Harbin Electric Motor Co.

The new technology of none-positioner and none-centerpole method assembling large ball-jar was introduced through constructing a 4000m 3 large ball-jar.

Starting from analyzing the 'forces acting on the dead man in hearth,the height of the dead man immersed in molten iron was calculated and the relation between circumferential molten iron flow and erosin of hearth lining was analyzed.