日立建机ZX35U-3F和ZX50U-3F是日立自主研发的ZAXIS-3系列后方超小回转型挖掘机机型。后方超小回转型挖掘机是指机器在回转时,其后端不会超出机体宽度,因此,在狭窄区域作业时,可使所有执行机构实现最佳流量,且顺畅地完成多种复合操作,提高作业效率。该机型采用日立首创,并
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