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推土机液压系统的工作原理是液压泵从工作油箱内吸出液压油,将其泵入分配阀,如不操纵各工作装置,油便经分配阀至滤清器回工
Bulldozer hydraulic system works is the hydraulic pump sucked hydraulic oil from the working tank, pump it into the distribution valve, if not manipulate the working unit, the oil will be distributed to the valve back to the filter