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更新时间:2025.04.12
现代挖掘机R55-7

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2-1 GROUP 1 HYDRAULIC PUMP 1. GENERAL This is a variable displacement double-piston pump for discharge with equal displacements from one cylinder block. This pump is so compact as to appear a single pump though this is actually a double pump. Because this pump has one swash plate, the tilting angle is the same for two pumps. Tilting of the pump changes in response to the total pressure of P1 +

现代R55-5微型挖掘机

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现代R55-5微型挖掘机

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