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Grab Guinness Records

Release time:2022-05-07 02:12:47 Browse:138Times

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  • 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

  • What is channel dredging? [2022-05-16]

    Dredging is an underwater earthwork excavation project that uses manpower or machinery to dredge, expand or excavate deep rivers, lakes and other waters. For a long time, channel dredging has been an

  • Basic principle of sunken ship s [2022-05-16]

    What is the treatment principle of sunken ship salvage underwater engineering? The basic principle of underwater engineering is chemical grouting. Chemical grouting is to inject the pressure polymer m