Using the method of top pressure and out soil promoted a comprehensive rectifying deviation to the structure, and using of steelpipe pile method reinforced the base of the tower.
Take Xinan hydropower station as an example that small type hydropower station as a diversion can select reasonably diameter of pressuresteelpipe according to the value increment yields.
以溪南水电站为例,说明小型引水式水电站可以通过造价增加值收益率来科学合理地选择压力钢管的直径。
3
The service conditions of the international high-pressure natural gas transmission pipeline, pipeline steel and welded pipe at present are introduced.