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介绍一种新型液压引伸机的结构原理及其特点 ,通过计算、比较及应用实践 ,证明该机高效、节能 ,是机械式引伸机的理想替代产品。
The principle and characteristics of a new type of hydraulic extensor are introduced. Through calculation, comparison and application practice, this machine is proved to be efficient and energy saving. It is an ideal substitute for mechanical extensor.