名词
中文翻译：泵柱
同义词：
['pump rod', 'sucker rod']
例句：
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1.The engineer used a pumping column to remove the oil from the well.
工程师使用一个泵柱来从井中抽出油。
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2.The pumping column was essential for maintaining the water level in the reservoir.
泵柱对于保持水库水位至关重要。
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3. The engineer had to replace the pumping column after it broke during the operation.
在操作过程中，工程师不得不更换泵柱。