订货单编号的英文

• number of indent

• 订货单:    order for goods; order form
• 编号:    serial number
• 单编号:    single numbering
• 订货单:    indent number; order blank; order book; order for goods; order form; order list; order sheet; order slip; po purchase order; purchase order
• 定单编号:    o/no.=order number