Give them a huge oil blowout, and they can use up enough oxygen to create anoxic "dead zones" that imperil fish and other sea creatures.
在如此大量的原油泄漏的情况下，它们足可以消耗尽某一区域所有的氧气并创造出一个缺氧的“死亡地带”，这将危及鱼类和其他海洋生物。
The water would exert less pressure on the oil and gas down below, which is why it was important that 【concrete seals】 were in place to avoid any blowout.
因为海水对石油以及井下的天然气造成的压力更小，所以为避免任何喷发，及时用【海水代替泥浆】封堵井口是至关重要的。
If the rate is at the low end of the range and was lower still before a key pipe on top of the blowout preventer was cut to accommodate the top hat, about half as much oil has been spilled so far.
假如现在这个比率是最低的、并且放在防喷器上方的关键性管道适应了高帽之前、仍然保持低比率，那时候泄漏的油约相当于现在已经漏掉量的一半。
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