How to Delete Component BOM Using BOM Open Interface

Hi guys,
I have task to delete a component BOM using Interface. I have inserted the component row which contain
PROCESS_FLAG,
TRANSACTION_TYPE,
COMPONENT_ITEM_ID,
ITEM_NUM,
OPERATION_SEQ_NUM,
SUPPLY_SUBINVENTORY,
SUPPLY_LOCATOR_ID,
ASSEMBLY_ITEM_ID,
ALTERNATE_BOM_DESIGNATOR,
BILL_SEQUENCE_ID,
EFFECTIVITY_DATE,
COMPONENT_SEQUENCE_ID
 into BOM_INVENTORY_COMPS_INTERFACE

and also

entity_name,
delete_group_name,
Description
into BOM_INTERFACE_DELETE_GROUPS


then i run 'Import Bill and Routings' in Bills of Material menu. The concurrent is completed normal but the component row still not deleted.

Please help me the right way to delete the BOM component using interface. Thanks all