首页> 外国专利> process for the installation by flexible pipes filled with sand or similar construction partially or completely submerged and hydraulic hoses are necessary for the implementation of the processchin

process for the installation by flexible pipes filled with sand or similar construction partially or completely submerged and hydraulic hoses are necessary for the implementation of the processchin

机译:用装满沙子或类似结构的挠性管将其部分或全部浸没的安装方法,并且需要使用液压软管来执行processchin

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