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Grab Guinness Records

Release time:2022-05-07 02:12:55 Browse:598Times

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  • Steps of underwater exploration [2022-05-16]

    1. Underwater search: two search team members in each group enter the water in the order planned in advance. The team member who arrives at the bottom table first must wait until another team member a

  • Environmental requirements for u [2022-05-16]

    Underwater cutting is another underwater project. With the rapid development of economy, underwater cutting is more and more widely used. What are the environmental requirements of underwater cutting?

  • Matters to be done by underwater [2022-05-16]

    Underwater salvage refers to the process of salvaging flooded objects or removing navigation obstacles in channel and port waters.Underwater fishing design survey. diving. Jam. Underwater blasting. Un