大洋采矿是一项综合性的系统工程，而扬矿系统是整个大洋采矿系统的重要组成部分之一。
Ocean mining is a comprehensive and systematic project, however, in which lifting system is one of the important parts.
大洋采矿是一项综合性的系统工程，而扬矿系统是整个大洋采矿系统的重要组成部分之一。
Ocean mining is a comprehensive and systematic project, however, in which lifting system is one of the important parts.
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