small operating equipment
小型操作设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Operating companies, both large and small, have found it more expedient to utilize the men, equipment, and experience of drilling contractors to perform the actual drilling of a well.
大大小小的经营公司都发现利用钻井承包商的人，设备和经验来打井比较有利。
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