供应链配对编码 supplier_id str9 %9s 供应商编码 customer_id str9 %9s 客户编码 s_fs_entity_id str8 %8s 供应商factset revere编码 c_fs_entity_id str8 %8s 客户factset revere编码 start_date int %d 供应链开始日期 end_date int %d 供应链结束日期 rel_duration_d int %12.0g 供应链持续天数 ...