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Installation Connection and mounting of solar panels. Two workers fasten solar panels. Technicians installing solar panels on metal stand. Workers installing PV solar panels on the roof of a house.

视  频 ID：  1093608575
版      权：  Felbaba Volodymyr
视频长度：  0:11
横纵比率：  16:9
所属分类：  建筑 工业 
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