赵东油田的钻井平台为固定式钻井平台，该平台总重量达6200吨。
Zhao Dong drilling platform is a fixed drilling platform which weight is 6200tons.
赵东镐说，对那些公共交通决策者来说，网上车辆将可以大大节省成本。
Cho says the online vehicle is a cost-effective solution for mass transit planners.
赵东镐说，目前为止，所有的试验都证明，使用这项技术对人和机器都是安全的。
Cho says the technology has proven safe to use around people and machinery in all experiments so far.
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