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是实现不了的。
参考note 199165
Procurement-releated field selection references. There are the two field references E (internal procurement) and F (external procurement). It depends on the settings in Customizing for the corresponding material type under 'Internal/external purchase orders' whether one or which one of the field references is used. If internal purchase orders are allowed (setting 1 or 2) and external orders are forbidden (setting 0), the field selection uses E. If external purchase orders are allowed (setting 1 or 2) and internal orders are forbidden (setting 0), the field selection uses F. When both internal and external purchase orders are allowed, the field selection uses neither E nor F. |
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