With the help of computer,three basic layouts are discussed,the connection of position precision and layout is educed.

It is the first importance for arranging reasonably the ventilating roadway of the coal face select correctly the layout of the ventilating roadway.

3D numerical study of arrangement forms of low pressure heaters at condenser throats;

On one new arrangement form of bridge bearings;

Based on these,the coal unloading arrangement form and system constituent of rotary coal dumper were discussed,the process arrangement and the construction form of rotary coal dumper were selected for 2×1 000 MW units in phase Ⅳ project of Zouxian Power Plant of Huadian Power International.

According to the comparison of three main styles of slucie-and-pump station which are built in the same place,the three layout styles are parataxis style,vertical-layer style and orthogonality style.

In this paper,combined with the practical projects of prestressed concrete hollow slabs,the FEM models are constructed by applying two layout styles of prestressing tendons.

The optimization of soil nail long and layout form in the excavate support structure;

Taking the sprinkler head of 30PSH as an example,the method of perpendicularity is used to analyze the influence of combination distance, work pressure and layout form on uniformity coefficient in irrigation.

At present, in the process of large sheet forming mould design, the determination of drawbead layout form and geometry parameter etc often base on experience.