In this paper, the working mechanism, parameters and application scope of the rotary pumps were briefly introduced first.

The application scope and equipment type of rotary coal dumper were introduced.

Combined with bridge project artificial drilling and pouring pile base,it gets widely generalized in project,it summarizes constructing experience of many projects,introduces the main advantages,using scope,constructing methods and skills,which can be reference for counterparts.

From the using scope and manifestation,this paper discusses the using condition of object-verb form in Xining dialect with a group of language materials.

Content of equipment files and the scope of use;

Compared with English,the Chinese address system is more complex with more types and a wider scope of application.