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Click “ocean life of streams” above to subscribe. Introduction the defects of hydraulic structure engineering are a major hidden danger for the safety of hydraulic …

The special components of curtain wall are made of metal materials by stamping at one time, while the installation holes, water grooves, lock holes, shaped …

3.5 * 9 die sets are 60 pieces, 70% new, with good surface flatness, single sheet weight of about 4.6 tons, full tax included self …

4 * 9 Trinity standard die sets are 90 pieces, 70% new, the surface flatness is intact, the single sheet weight is about 5.5 tons, …

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Refuse parameters, only talk about experience, pay attention to the guide dog xiaotuo, and truly interpret the digital products you are familiar with. It is …

Official account: official account is adjusted by WeChat public number. If you want to continue to receive the content of this official account, please set …

Because the official account official has adjusted the push rules, if you want to continue to receive the contents of the official account, please set …

JörnP. Professor Las iftrosenheim head of modern installation methods improve quality and sustainability pre installed frames prevent structural damage and can quickly and easily install …

The draft for comments on building materials product quality traceability precast concrete components (2021-61-xbjh) proposed and centralized by China Building Materials Federation has been completed. …