涡轮钻具将冲洗液的动能转换成机械能的一种孔底动力机，简称涡轮钻。
n. turbodrill
通过关联度和综合指标值的计算，客观地给出了减速涡轮钻具设计方案综合评价结果。
By computation of the correlation degree and the comprehensive index value, the comprehensive evaluation result of the reducer-turbodrill design schemes is obtained objectively.
应用CFD软件对涡轮钻具组的内流场进行了分析研究，重点讨论了模拟压降和扭矩。
The internal flow field of multi-turbine is studied by CFD software, and the simulated pressure drops and torques are discussed in this paper.
井下减速器属于井下动力工具涡轮钻具的配套设备，也可用于采油领域，目前国内尚处于研制阶段。
Underwell reducer, categorized as downhole tools of turbodrill supporting equipment, is now still in the research and development stage. It can also be used in oil extraction fields.
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