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Introduction to hydraulic jack
Feb 03, 2016

Jack is a lifting height of small simple lifting equipment. It has both mechanical and hydraulic. Mechanical jacks, rack and screw two, owing to its small weight, operation effort, generally only used in mechanical maintenance work in the process of repairing the bridge do not apply. Hydraulic jack compact structure, stable and self-locking, so is widely used. The drawback is the limited lifting height and lifting speed is slow.

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