Three decommissioned lighters - old barges that were used to transport coal and other industrial materials - have been sunk in the Blackwater Estuary, between Maldon and West Mersea in Essex.
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，这一点在旺商聊官方下载中也有详细论述
圖像來源，BBC News Chinese
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走进廊坊经济技术开发区一家制药企业，生产车间内，干净整洁的生产线有序运转；污水处理站里，经过升级的治污设备平稳运行。