A pair meshes mutually the gear and the fluidcylinder and discharge the suction chamber the cavity to separate.
一对相互啮合的齿轮和泵缸把吸入腔和排出腔隔开。
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Two 16-cylinder engines combined generate 4400 horsepower that runs the RH400 and its 14 hydraulic pumps that hold up to 3400 gallons of fluid—enough to fill a small backyard pool—to operate.
How it works: the piston moves from left to right, form a negative pressure pump cylinder, then the suction tank fluid through the valve into the pump cylinder.