By computation of the correlation degree and the comprehensive index value, the comprehensive evaluation result of the reducer-turbodrill design schemes is obtained objectively.
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。
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.
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。
This paper briefly introduces the typical high-steep structure of China and describes the structure and the energy converting method and characteristics of the turbodrill self developed.
在简要阐述国内典型高陡构造特征的基础上，介绍了我国自主研制的涡轮钻具的结构、能量转换方式以及特点。
This paper briefly introduces the typical high-steep structure of China and describes the structure and the energy converting method and characteristics of the turbodrill self developed.
在简要阐述国内典型高陡构造特征的基础上，介绍了我国自主研制的涡轮钻具的结构、能量转换方式以及特点。
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