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External high-pressure forming of metal spiral tube of equal wall thickness
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering ( IF 2.3 ) Pub Date : 2020-11-05 , DOI: 10.1177/0954408920967786
Changshuai Shi 1 , Jinping Li 1 , Juan Deng 1 , Xiaohua Zhu 1
Affiliation  

Positive displacement motors are widely used underground power tools in oil and gas extraction. In order to solve the problems of the short life of the conventional positive displacement motor and ...

中文翻译:

等壁厚金属螺旋管外高压成型

正排量电机是石油和天然气开采中广泛使用的地下电动工具。为解决传统容积式电机寿命短的问题,...
更新日期:2020-11-05
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