首先，他们已经部署了遥控机器人驾驶的潜水艇潜入水下试图通过激活防喷器来关闭油井。
First, remote-controlled robot submarines have been deployed to try to seal off the oil well altogether by activating a massive device called a blowout preventer.
潜水机器人已经移除了覆盖在石油泄漏处的旧防漏帽。这个帽盖是在六月上旬施放的防堵装置，与油管相连，用来把漏出的原油送至海面上的舰船或点火燃烧掉。
Robotic submarines removed the cap that had been placed on top of the leak in early June to collect the oil and send it to surface ships for collection or burning.
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