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Doughnut |
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| Product Summary： The main purpose is to ensure the thickness of the protective layer of the wall. When grouting, there are certain specifications for the thickness of the protective layer of each structure. Rebar spacer alias [pineapple slices, donuts], if you want to know more details, please click the title link below 【Gear on steel bar? Experts look at it and praise the high-quality builders. Use exposure: the construction is very real] |
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