PO是什么的缩写?
A. officialpurchase
B. payment order
C. purchase order
balance payment
A. 尾款
B. 定金
C. 订单
B/L是什么的缩写?
A. bill of loding
B. bill of lading
C. bill of loading
D/P是什么的缩写?
A. document against payments
B. documents against payment
C. document against payment