perforated cement sheet

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  • 2. Zinc layer uniformity: zinc layer uniformity also has an important impact on corrosion resistance. If the zinc layer is not uniform, there are local defects or insufficient thickness areas, it is easy to form corrosion points, resulting in the destruction of the entire zinc layer.

    perforated cement sheet

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    perforated cement sheet perforated cement sheet

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  • 1, barbed rope protection net center line along the road within the land boundary 20 to 50 cm set.

    perforated cement sheet

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    perforated cement sheet perforated cement sheet

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