Optimization of the Stirring Blade Structure of the Pumping Unit Based on the Improvement of Concrete Suction Efficiency

Table 4

The center coordinates of grids.

Position	X	Y	Z
1	347.5	−210	−147.5
2	0	−70	−400
3	0	160	−550
4	−337.5	−160	0
5	250	−380	147.5