名词短语
中文翻译：闭合孔的速率同义词
同义词：
['rate of closure', 'rate of penetration']
例句：
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1. The rate of closed holeis a critical factor in determining the successof a drilling operation.
闭合孔的速率是决定钻探作业成功的关键因素。
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2.The rate of closed hole has been increasingsteadily over the past few years.
过去几年里，闭合孔的速率一直在稳步上升。
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3.To optimize the rate of closed hole,we need to improve the quality of thedrilling fluid.
为了优化闭合孔的速率，我们需要提高钻井液的质量。