[{"categoryId":3381,"categoryName":"泵","categoryPid":3380,"sortNum":0,"hierarchy":3,"childCategory":[]},{"categoryId":3382,"categoryName":"机床","categoryPid":3380,"sortNum":0,"hierarchy":3,"childCategory":[]},{"categoryId":3383,"categoryName":"发电机","categoryPid":3380,"sortNum":0,"hierarchy":3,"childCategory":[]},{"categoryId":3388,"categoryName":"冷柜冷库制冷设备","categoryPid":3380,"sortNum":0,"hierarchy":3,"childCategory":[]},{"categoryId":11282,"categoryName":"电力配件","categoryPid":3380,"sortNum":1,"hierarchy":3,"childCategory":[]},{"categoryId":11283,"categoryName":"内燃机","categoryPid":3380,"sortNum":2,"hierarchy":3,"childCategory":[]},{"categoryId":11284,"categoryName":"变速机","categoryPid":3380,"sortNum":3,"hierarchy":3,"childCategory":[]},{"categoryId":11285,"categoryName":"电动机","categoryPid":3380,"sortNum":4,"hierarchy":3,"childCategory":[]},{"categoryId":11286,"categoryName":"压力容器","categoryPid":3380,"sortNum":5,"hierarchy":3,"childCategory":[]},{"categoryId":11287,"categoryName":"焊接设备","categoryPid":3380,"sortNum":6,"hierarchy":3,"childCategory":[]},{"categoryId":11288,"categoryName":"电机配件","categoryPid":3380,"sortNum":7,"hierarchy":3,"childCategory":[]},{"categoryId":11289,"categoryName":"电热设备","categoryPid":3380,"sortNum":8,"hierarchy":3,"childCategory":[]},{"categoryId":11290,"categoryName":"其他机械设备","categoryPid":3380,"sortNum":9,"hierarchy":3,"childCategory":[]}]