低产低效井抽油机可调式减速 装置的研制与应用 / Development and Application of Adjustable Speed Reducer of Low Yield and Effect Well Pumping Unit
- Resource Type
- Academic Journal
- Source
- 江汉石油职工大学学报 / Journal of Jianghan Petroleum University of Staff and Workers. 30(2):48-51
- Subject
低产低效 减速器 节能 降冲次 - Language
- Chinese
- ISSN
- 1009-301X