One year ago, an explosion rocked the Deepwater Horizon drilling rig in the Gulf of Mexico, killing 11 workers, sinking the rig, and releasing a massive amount of crude oil into the ocean.

一年前，墨西哥湾深海地平线石油钻机发生爆炸事故，导致11名工人死亡，钻机沉没和大量的原油泄漏进入大海。

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As one functional part of the rig, drilling pump carries the rock debris from the bottom of the well and supplies power to the drilling tool in the well drilling process.

钻井泵是钻机的三大功能部件之一，其在钻井过程中起着携带井底的岩屑和供给井底动力钻具动力的作用。

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Our company is a professional electric drive drilling rig equipment development, production, sales as one integrated company.

我公司是一家专业从事电驱动钻机电控系统设备研发、生产、销售为一体的综合性公司。

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The London-based company has lost more than a third of its stock-market value since April 20, when one of its gulf wells blew out, destroying the Deepwater Horizon drilling rig, killing 11 men and triggering the worst offshore oil spill in U.S. history.

WSJ: BP Shakes Up Management

One danger is that, as the oil slowly oozes out, it might leak into the ground water before a drilling rig can pump it out.

NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale