material_code,name,specification,uom_code,category_code,status,updated_at,_operation,_cursor MAT-0002,液压润滑油,ISO VG46,L,OIL,ACTIVE,2026-08-02T08:01:00Z,upsert,101 MAT-0004,密封圈,NBR-40,EA,SEAL,ACTIVE,2026-08-02T08:02:00Z,upsert,102
