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Builder polishing mortar floor at construction site of new appartments. Mechanized grout screed concrete floor close-up. Laborer performing and polishing sand and cement screed floor.

视  频 ID:  1007913871
版      权:  DavidOFF2050
视频长度:  0:05
横纵比率:  16:9
所属分类:  工业 
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