id AS "id", production_line AS "productionLine", location_code AS "locationCode", product_code AS "productCode", operation_steps AS "operationSteps", tech_requirement AS "techRequirement", operation_type AS "operationType", step_sort AS "stepSort", param_code AS "paramCode", material_code AS "materialCode", picture AS "picture", remarks AS "remarks", spare_field_1 AS "spareField1", spare_field_2 AS "spareField2", spare_field_3 AS "spareField3", spare_field_4 AS "spareField4"