BP公司的马孔多油井近三个月来持续向海水中泄漏原油和天然气，直到七月工程人员加上了控油罩才止住了漏油。

BP's Macondo well spewed oil and natural gas for nearly three months, before crews installed a cap that halted the leak last month.

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因为现有500桶硬固的水泥堵住了马孔多油井，一些调查回顾了“深水地平线”钻井平台的损失以及随后500万桶原油泄露的损失。

WITH 500 barrels of hard-set cement now gumming up the Macondo well, a number of inquiries are looking back at the loss of the Deepwater Horizon rig and the subsequent spilling of 5m barrels of oil.

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