| 摘要 |
Apparatus for development of strong soil or rocks comprises the base machine, hydro-block unit, hydro-system, pressing hydro-cylinder, this comprises a cylinder and a piston with rod and has piston and rod cavities connected to hydro-system, this comprises the elements of hydro-drive of executive body of earth-moving machine control, hydro-pump, main dispenser, multiplier, piston, tank, multiplier, this has the power and the control cavities, hydro-body of control with spring, this is a four-stroke dispenser, it is arranged as three-position one, it has hydro-control through hydro-mains, safety valve, mains for pump-in and discharge, back valve and controlled throttle.
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