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Poor epidemic prevention and control at the construction site, and seven projects were criticized

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The bridge construction section collapsed and 5 people lost contact!

Comparison of old and new specifications for socket type buckle steel pipe scaffolding

be careful! From today, these sections in Lishu will be closed for construction

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Technical Code for Safety of Steel Pipe Scaffolding with Fasteners in Construction JGJ130-2011 (including Article Explanation P132, free