短语
中文翻译：Unknown
同义词：
['1. installation', '2.installation of wellhead', '3. installation of wellhead']
例句：
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2.
在钻井过程中
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3.
在钻井过程中
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1. The engineer had to install the wellhead before drilling began.
工程师必须在钻探开始之前安装井口。
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2. The wellhead was installed at the bottom of the well.
井口安装在井底。
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3. The wellhead is crucial for maintaining pressure in the well.
井口对于维持井中的压力至关重要。