名词
中文翻译：底部封隔器
同义词：
['bottom plug', 'bottom packer', 'bottom sealer']
例句：
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1. Thewell was bottom gated to prevent water from entering the production area.
为了阻止水进入生产区，井被底部封隔了。
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2. During drilling, it's important to ensure that the bottom gating system is functioning properly.
在钻井过程中，确保底部封隔系统正常工作非常重要。
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3.The engineer had to replace the old bottom gating device with a more efficient one.
工程师不得不用一个更高效的旧设备来替换旧的底部封隔装置。