- 
Flow chart of field installation 
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Inspection before site installation 
- 
Butting of upper and lower pillars 
- 
Equatorial belt assembly 
- 
Equatorial belt assembly 
- 
Lower polar assembly 
- 
The lower polar and equatorial zones are assembled 
- 
Upper polar assembly 
- 
Completion acceptance 
- 
Completion of whole ball group welding 
 
 
 
 


 

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