选择卸港附加费 optional additional ; option surcharge

选择卸货港附加费 Optional Fees or Optional Additional ; Optional fees ; Optioning Fees or Optioning Additioning ; optional additional

选择卸货港 [贸易] optional discharging port ; Optional Fees or Optional Additional

选择卸货港交付货物 Optional Delivery

选择卸货港所增运费 optional charge

选择卸货港费 optional port charge

选择卸货港口 optional port of discharge