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Hydraulic System of HRL-142 Pressure Balancing Workover Rigs
Author(s): 
Pages: 29-31
Year: Issue:  2
Journal: HYDRAULICS PNEUMATICS & SEALS

Keyword:  动力源起升液缸无级调速差动回路;
Abstract: 本文介绍了HRL-142型液压不压井修井机的动力源系统以及起升液缸系统的组成与工作原理.该系统具有结构简单、设计新颖、控制集中、方便、准确等优点.
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