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Hydraulic element
Typical Cases

Hydraulic roof support is the key equipment in the longwall mining method,
which are used to support the tunnel roof of the mining face to make a space for
armored face conveyors and shearers to operate underneath.
The development of filling hydraulic support can prevent the ground subsidence, to fully realize the coal mining under buildings, railways and waterbodies, to prolong the service life and save resource.

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