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    1. 一级在线_日韩精品一级_波多野结衣人妻无码_高清a片视频在线

      The steel structure construction of fluorocarbon workshop workshop is prologue of the technical transformation of south aluminum stripIssuingTime:2006-09-06

      On August 10 in the morning, accompanied by a loud firecrackers, south aluminum plate with one of the first phase of the fluorine carbon workshop, technical pillar of steel hoisting in place, open the prelude of fluorocarbon workshop workshop steel structure construction. Fluorocarbon workshop steel structure and color steel plate project designed by China color technology co., LTD. The plant has 136 steel columns, including beams and other steel, totaling about 1055 tons, and 24,000 square meters of roof color steel plate.

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      一级在线_日韩精品一级_波多野结衣人妻无码_高清a片视频在线

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